Videos

Video thumbnail for Ex 1: Determine a Function Value From a Graph
02:26
Icon for www.youtube.comyoutube.com › watch

Ex 1: Determine a Function Value From a Graph

This video explains how to determine a function value given the graph of a function, but not the function rule. Complete Library: http://www.mathispower4u.com Search by Topic: http://www.mathispower4u.wordpress.com
YouTube
· Sep 20, 2011
Video thumbnail for Evaluating Functions - Basic Introduction | Algebra
11:49
Icon for www.youtube.comyoutube.com › watch

Evaluating Functions - Basic Introduction | Algebra

This algebra 2 math video tutorial provides an introduction into function notation. It discusses evaluating functions with a single variable x and using 2 variables x and y. It explains how to find the missing x or y variable using techniques such as factoring trinomials, GCF, and by grouping in addition to using the quadratic formula. This ...
YouTube
· May 4, 2017
Video thumbnail for Learn Functions – Understand In 7 Minutes
09:43
Icon for www.youtube.comyoutube.com › watch

Learn Functions – Understand In 7 Minutes

Learning about functions is critical in math, especially in Algebra. Many students struggle with the concept of what a function is and how to determine is a relation is a function. This video will explain in detail the foundation of what a function is in algebra to include how to evaluate a function and what the domain and range represent with ...
YouTube
· Mar 5, 2021
Video thumbnail for Domain and Range of a Function From a Graph
13:24
Icon for www.youtube.comyoutube.com › watch

Domain and Range of a Function From a Graph

This precalculus video tutorial explains how to find the domain and range of a function given its graph in interval notation. The domain represents all of the x values in the function and the range represents all of the y values. You should use parentheses for open circles and infinity symbols, but you should use brackets for closed circles ...
YouTube
· Feb 9, 2018
Video thumbnail for Functions
14:18
Icon for www.youtube.comyoutube.com › watch

Functions

This algebra video tutorial provides a basic introduction into functions. It contains plenty of examples and multiple-choice practice problems as well as free response problems. Functions - Free Formula Sheet: https://www.video-tutor.net/precalculus-formula-sheets.html Functions - Video Lessons: https://www.video-tutor.net/functions.html Final ...
YouTube
· Jan 22, 2018
Video thumbnail for How To Find The Range of a Function
11:24
Icon for www.youtube.comyoutube.com › watch

How To Find The Range of a Function

This video explains how to find the range of a function. Examples include quadratic functions, linear functions, absolute value functions, and square root or radical functions. Domain and Range - Free Formula Sheet: https://www.video-tutor.net/physics-formula-sheets.html Functions and Graphs - Video Lessons: https://www.video-tutor.net ...
YouTube
· Nov 20, 2019
Video thumbnail for What Is a Function? | Precalculus
11:06
Icon for www.youtube.comyoutube.com › watch

What Is a Function? | Precalculus

This math video tutorial explains what a function is. It is a special relation where there is exactly one output for every input. This video explains how to evaluate a function and how to determine if a graph represents a function using the vertical line test. Functions - Free Formula Sheet: https://www.video-tutor.net/precalculus-formula ...
YouTube
· Feb 11, 2020
Video thumbnail for Average Value of a Function on an Interval
20:24
Icon for www.youtube.comyoutube.com › watch

Average Value of a Function on an Interval

This calculus video tutorial explains how to calculate the average value of a function over an interval and how to find the value of c that makes the function f(x) equal to the average value of the function where the area of the rectangle is equal to the area under the curve on the interval [a,b]. Applications of Integration - Free Formula ...
YouTube
· Nov 5, 2016
Video thumbnail for Average Value of a Function Over an Interval - Calculus
18:57
Icon for www.youtube.comyoutube.com › watch

Average Value of a Function Over an Interval - Calculus

This calculus video tutorial explains how to find the average value of a function over a closed interval [a, b]. Examples include linear functions, quadratic functions, and square root functions. The average value formula can be derived from the mean value theorem formula for integrals. The average value represents the y coordinate of the point ...
YouTube
· Mar 11, 2018
Video thumbnail for Relations and Functions | Algebra
12:27
Icon for www.youtube.comyoutube.com › watch

Relations and Functions | Algebra

This Algebra video tutorial provides a basic introduction into relations and functions. It explains how to write the domain and range of a relation and how to determine if the relation is a function. It also explains how to draw a mapping diagram of the relation as well as a function table. Finally, this video explains how to use the vertical ...
YouTube
· Aug 25, 2021
Video thumbnail for Domain and Range Functions & Graphs - Linear, Quadratic, Rational, Logarithmic & Square Root
01:17:28
Icon for www.youtube.comyoutube.com › watch

Domain and Range Functions & Graphs - Linear, Quadratic, Rational, Logarithmic & Square Root

This video tutorial provides a review on how to find the domain and range of a function using a graph and how to write or express it using interval notation. Domain & Range - Formula Sheet: https://www.video-tutor.net/precalculus-formula-sheets.html Functions & Graphs - Video Lessons: https://www.video-tutor.net/functions.html Final Exam and ...
YouTube
· Jan 1, 2009
Video thumbnail for How To Find The Equation of a Quadratic Function From a Graph
09:35
Icon for www.youtube.comyoutube.com › watch

How To Find The Equation of a Quadratic Function From a Graph

This algebra video tutorial explains how to find the equation of a quadratic function from a graph in standard form given 3 points and in vertex form given 2 points. Quadratic Equations - Free Formula Sheet: https://www.video-tutor.net/algebra-formula-sheet.html Quadratic Equations - More Video Content: https://www.video-tutor.net/quadratic ...
YouTube
· Mar 7, 2023
Video thumbnail for Increasing and Decreasing Functions - Calculus
11:08
Icon for www.youtube.comyoutube.com › watch

Increasing and Decreasing Functions - Calculus

This calculus video tutorial provides a basic introduction into increasing and decreasing functions. This video explains how to use the first derivative and a sign chart to determine the intervals where the function is increasing and decreasing and how to express the answer using interval notation with the help of a number line. The function is ...
YouTube
· Mar 4, 2018
Video thumbnail for Evaluating Piecewise Functions | PreCalculus
05:47
Icon for www.youtube.comyoutube.com › watch

Evaluating Piecewise Functions | PreCalculus

This precalculus video tutorial provides a basic introduction on evaluating piecewise functions. It contains plenty of examples and practice problems. Algebra Review: https://www.youtube.com/watch?v=i6sbjtJjJ-A ______________________________ Functions - Free Formula Sheet: https://www.video-tutor.net/precalculus-formula-sheets.html Functions ...
YouTube
· Feb 10, 2018
Video thumbnail for The Mean Value Theorem For Integrals: Average Value of a Function
07:24
Icon for www.youtube.comyoutube.com › watch

The Mean Value Theorem For Integrals: Average Value of a Function

We are just about done with calculus! Before we go, let's talk about one more topic that brings together differentiation and integration. It's called the mean value theorem. There is one version that utilizes differentiation, and another version that uses integrals. Let's learn both, and see how they can both be used to compute the average ...
YouTube
· Jan 1, 2009
Video thumbnail for Piecewise Functions - Limits and Continuity | Calculus
10:06
Icon for www.youtube.comyoutube.com › watch

Piecewise Functions - Limits and Continuity | Calculus

This calculus review video tutorial explains how to evaluate limits using piecewise functions and how to make a piecewise function continuous by finding the constant c to make the two parts equal. This video on limits and continuity contains plenty of examples and practice problems for you to work. It discusses how to find if the limit exists ...
YouTube
· Jun 2, 2017
Video thumbnail for Power Series - Representation of Functions - Calculus 2
53:45
Icon for www.youtube.comyoutube.com › watch

Power Series - Representation of Functions - Calculus 2

This calculus 2 video tutorial provides a basic introduction into the representation of functions as power series. It explains how to represent a function as a power series centered at 0 and centered at some value c. It also explains how to approximate function values using geometric power series. This video also explains how to find the radius ...
YouTube
· Apr 1, 2018
Video thumbnail for Inverse Functions - Domain & range- With Fractions, Square Roots, & Graphs
23:12
Icon for www.youtube.comyoutube.com › watch

Inverse Functions - Domain & range- With Fractions, Square Roots, & Graphs

This algebra video tutorial explains how to find the inverse function and express the domain and range using interval notation. It includes examples with fractions, square roots, and graphs. Domain & Range - Formula Sheet: https://www.video-tutor.net/precalculus-formula-sheets.html Functions - Video Lessons: https://www.video-tutor.net ...
YouTube
· Sep 7, 2016
Video thumbnail for How To Graph Absolute Value Functions - Domain & Range
10:54
Icon for www.youtube.comyoutube.com › watch

How To Graph Absolute Value Functions - Domain & Range

This Algebra video provides a basic introduction into graphing absolute value functions using transformations and data tables. It explains how to find the domain and range of absolute value functions. Domain & Range - Formula Sheet: https://www.video-tutor.net/precalculus-formula-sheets.html Absolute Value Equations: https://www.video-tutor.net ...
YouTube
· Oct 9, 2017
Video thumbnail for Finding Absolute Maximum and Minimum Values - Absolute Extrema
17:17
Icon for www.youtube.comyoutube.com › watch

Finding Absolute Maximum and Minimum Values - Absolute Extrema

This calculus video tutorial explains how to find the absolute maximum and minimum values of a function on a closed interval. Tto find the absolute extrema, you need to find the relative extrema by finding the first derivative of the function and the critical numbers. Plot the critical numbers on a number line to create sign chart. Using the ...
YouTube
· Mar 3, 2018
Video thumbnail for How To Find The Exact Value of the Five Remaining Trigonometric Functions
07:11
Icon for www.youtube.comyoutube.com › watch

How To Find The Exact Value of the Five Remaining Trigonometric Functions

This trigonometry video tutorial explains how to find the exact value of the five remaining trigonometric functions given one trig function and the sign of another. You need to identify the quadrant in which the angle lies in and use right triangle trigonometry to find the exact value of the other trig functions. Trigonometry - Free Formula ...
YouTube
· Oct 14, 2017
Video thumbnail for Evaluating Trigonometric Functions Given a Point on the Terminal Side - Trigonometry
10:48
Icon for www.youtube.comyoutube.com › watch

Evaluating Trigonometric Functions Given a Point on the Terminal Side - Trigonometry

This trigonometry video tutorial explains how to evaluate trigonometric functions given a point on the terminal side. It discusses how to evaluate trigonometric functions at any angle using SOHCAHTOA and how to determine the sign of sine, cosine, and tangent in any quadrant. It mentions how to find the value of sine, cosine, tangent, secant ...
YouTube
· Oct 16, 2017
Video thumbnail for How to use the FIND function in Excel
03:13
Icon for www.youtube.comyoutube.com › watch

How to use the FIND function in Excel

Learn how to use the FIND function in Microsoft Excel. This tutorial demonstrates how to use Excel FIND with four easy to follow examples and takes you step-by-step through the different options when entering your formula. FIND Function (and sample data): https://www.techonthenet.com/excel/formulas/find.php Excel Functions/Formulas: https://www ...
YouTube
· May 12, 2019
Video thumbnail for How To Use Reference Angles to Evaluate Trigonometric Functions
10:59
Icon for www.youtube.comyoutube.com › watch

How To Use Reference Angles to Evaluate Trigonometric Functions

This trigonometry video tutorial explains how to use reference angles to evaluate trigonometric functions such as sine, cosine, tangent, secant, cosecant, and cotangent with positive and negative angles in radians and degrees.. You need to have a good understanding of right triangle trigonometry, SOHCAHTOA, 30-60-90 triangle and the 45-45-90 ...
YouTube
· Oct 15, 2017
Video thumbnail for Evaluating Inverse Trigonometric Functions
22:47
Icon for www.youtube.comyoutube.com › watch

Evaluating Inverse Trigonometric Functions

This trigonometry video tutorial provides a basic introduction on evaluating inverse trigonometric functions. It has plenty of examples such as inverse sine, cosine, and tangent functions. Full 47 Minute Video: https://bit.ly/41WNmI9 Direct Link - Full Video: https://bit.ly/38r6Bgv Trigonometry - Free Formula Sheet: https://www.video-tutor.net ...
YouTube
· Jan 30, 2021
Video thumbnail for Trigonometric Functions of Any Angle - Unit Circle, Radians, Degrees, Coterminal & Reference Angles
59:18
Icon for www.youtube.comyoutube.com › watch

Trigonometric Functions of Any Angle - Unit Circle, Radians, Degrees, Coterminal & Reference Angles

This trigonometry video tutorial explains how to evaluate trigonometric functions of any angle such as acute angles or special angles. It shows you how to find and use reference angles and coterminal angles to accomplish such a task as well as converting between radians and degrees as needed. This video contains plenty of examples and practice ...
YouTube
· Nov 9, 2016
Video thumbnail for Find the value k that makes the function continuous
02:50
Icon for www.youtube.comyoutube.com › watch

Find the value k that makes the function continuous

👉 Learn how to find the value that makes a function continuous. When given a piecewise function which has a hole at some point or at some interval, we fill the hole at the point or over the interval by looking for the value of the equation of the other constraints at the point or the interval where the hole is or we look for a different rule ...
YouTube
· Sep 15, 2017
Video thumbnail for Functions and Graphs | Precalculus
15:03
Icon for www.youtube.comyoutube.com › watch

Functions and Graphs | Precalculus

This precalculus provides a basic introduction into functions and graphs. It contains plenty of examples and multiple-choice practice problems. Functions - Free Formula Sheet: https://www.video-tutor.net/precalculus-formula-sheets.html Full 51 Minute Video: https://bit.ly/41WNmI9 Direct Link - Full Video: https://bit.ly/3zrPPd7 ...
YouTube
· Apr 27, 2021
Video thumbnail for Graphs of absolute value functions | Functions and their graphs | Algebra II | Khan Academy
08:34
Icon for www.youtube.comyoutube.com › watch

Graphs of absolute value functions | Functions and their graphs | Algebra II | Khan Academy

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra2/functions_and_graphs/piecewise-functions-tutorial/e/graphs-of-absolute-value-functions?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII Watch the next lesson: https://www.khanacademy.org/math/algebra2/functions_and_graphs/piecewise ...
YouTube
· Dec 19, 2013
Video thumbnail for How To Evaluate Limits From a Graph
11:32
Icon for www.youtube.comyoutube.com › watch

How To Evaluate Limits From a Graph

This calculus video tutorial explains how to evaluate limits from a graph. It explains how to evaluate one sided limit as well as how to evaluate the function using graphs. The graphs include points of discontinuity such as holes, jump discontinuities and infinite discontinuities such as vertical asymptotes. Horizontal asymptotes are included ...
YouTube
· Feb 21, 2018
Video thumbnail for Calculus: Average Value of a Function (Section 6.5) | Math with Professor V
14:51
Icon for www.youtube.comyoutube.com › watch

Calculus: Average Value of a Function (Section 6.5) | Math with Professor V

Definition and examples finding the average value of a function on a given interval. The Mean Value Theorem for integrals and an example of its application. #averagevalueofafunction #averagevalue #mathtvwithprofessorv #youtubemath #mathprofessor #calculus #mathvideos Don't forget to LIKE, Comment, & Subscribe! xoxo, Professor V https://linktr ...
YouTube
· May 13, 2020
Video thumbnail for 3 Step Continuity Test, Discontinuity, Piecewise Functions & Limits | Calculus
10:10
Icon for www.youtube.comyoutube.com › watch

3 Step Continuity Test, Discontinuity, Piecewise Functions & Limits | Calculus

This calculus video tutorial explains how to identify points of discontinuity or to prove a function is continuous / discontinuous at a point by using the 3-step continuity test. This involves evaluating piecewise functions using one sided limits. The first step is to determine if the function is defined at the given point. The second step is ...
YouTube
· Jun 6, 2017
Video thumbnail for How To Find The Domain of a Function - Radicals, Fractions & Square Roots - Interval Notation
18:45
Icon for www.youtube.comyoutube.com › watch

How To Find The Domain of a Function - Radicals, Fractions & Square Roots - Interval Notation

This algebra video tutorial explains how to find the domain of a function that contains radicals, fractions, and square roots in the denominator using interval notation. Domain & Range - Formula Sheet: https://www.video-tutor.net/precalculus-formula-sheets.html Functions and Graphs: https://www.video-tutor.net/functions.html Algebra and ...
YouTube
· Sep 8, 2017
Video thumbnail for Domain and range of a function given a formula | Algebra II | Khan Academy
08:07
Icon for www.youtube.comyoutube.com › watch

Domain and range of a function given a formula | Algebra II | Khan Academy

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/math/algebra-home/alg-functions/alg-determining-the-range-of-a-function/v/domain-and-range-of-a-function-given-a-formula Domain and Range of a Function Given a Formula Practice this lesson yourself on KhanAcademy.org ...
YouTube
· Nov 7, 2011
Video thumbnail for How To Graph Absolute Value Functions
19:19
Icon for www.youtube.comyoutube.com › watch

How To Graph Absolute Value Functions

This algebra 1 & 2 video tutorial shows you how to graph absolute value functions with inequalities using transformations from the parent function. This video also shows you how to write the domain and range in interval notation of an absolute value equation. This video contains plenty of examples and practice problems. Algebra - Free Formula ...
YouTube
· Sep 7, 2016
Video thumbnail for Determine Function Values Using Function Notation on the TI84
04:44
Icon for www.youtube.comyoutube.com › watch

Determine Function Values Using Function Notation on the TI84

This video provides two examples of how to determine function values using function notation on the TI84 graphing calculator. The results are verified graphically. Site: http://mathispower4u.com Blog: http://mathispower4u.wordpress.com
YouTube
· Oct 6, 2012
Video thumbnail for How To Find The Exact Values of Trig Functions
12:39
Icon for www.youtube.comyoutube.com › watch

How To Find The Exact Values of Trig Functions

This video explains how to find the exact values of trig functions such as sine, cosine, and tangent using the 30-60-90 and 45-45-90 reference triangles and using SOHCAHTOA. Trigonometry - Free Formula Sheet: https://www.video-tutor.net/formula-sheets.html Trigonometry Video Lessons: https://www.video-tutor.net/evaluating-trig-expressions.html ...
YouTube
· Jun 29, 2020
Video thumbnail for Finding Exact values of Trig function ( Using Unit Circle)
10:19
Icon for www.youtube.comyoutube.com › watch

Finding Exact values of Trig function ( Using Unit Circle)

YouTube
· Dec 26, 2016
Video thumbnail for How To Write a Function Rule Given a Data Table | Algebra
10:36
Icon for www.youtube.comyoutube.com › watch

How To Write a Function Rule Given a Data Table | Algebra

This algebra video explains how to write a function rule given a data table using the linear equation formula in slope intercept form. Algebra - Free Formula Sheets: https://www.video-tutor.net/formula-sheets.html ____________________________________________________________________________________________ Algebra For Beginners: https://www ...
YouTube
· Feb 6, 2022
Video thumbnail for Examples finding the domain of functions
04:25
Icon for www.youtube.comyoutube.com › watch

Examples finding the domain of functions

Keep going! Check out the next lesson and practice what you’re learning: https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:functions/x2f8bb11595b61c86:determining-the-domain-of-a-function/e/domain-of-algebraic-functions Examples finding the domain of functions
YouTube
· Apr 24, 2019
Video thumbnail for Find the values a and b that make the piecewise function continuous
03:44
Icon for www.youtube.comyoutube.com › watch

Find the values a and b that make the piecewise function continuous

👉 Learn how to find the value that makes a function continuos. A function is said to be continous if two conditions are met. They are: the limit of the function exist and that the value of the function at the point of continuity is defined and is equal to the limit of the function. To find the value that makes a function continous we ...
YouTube
· Sep 1, 2017
Video thumbnail for 10 Use the graph of f to find the indicated values.
04:23
Icon for www.youtube.comyoutube.com › watch

10 Use the graph of f to find the indicated values.

10 Use the graph of f to find the indicated values.
YouTube
· Jun 5, 2018
Video thumbnail for Find Trig Function Values Using a Right Triangle - Length of Hypotenuse Missing
05:45
Icon for www.youtube.comyoutube.com › watch

Find Trig Function Values Using a Right Triangle - Length of Hypotenuse Missing

This video explains how to find the length of a hypotenuse in a right triangle and then determine all six trigonometric function values for one of the angles of the triangle. Site: http://mathispower4u.com Blog: http://mathispower4u.wordpress.com
YouTube
· Jan 1, 2009
Video thumbnail for 06 - What is a Function in Math? (Learn Function Definition, Domain & Range in Algebra)
26:18
Icon for www.youtube.comyoutube.com › watch

06 - What is a Function in Math? (Learn Function Definition, Domain & Range in Algebra)

Get more lessons like this at http://www.MathTutorDVD.com. Here you will learn what a function is in math, the definition of a function, and why they are important. Functions have applications in algebra, calculus, science, and engineering. We first begin by describing a function as a mathematical machine that takes input numbers "x" and ...
YouTube
· Dec 19, 2018
Video thumbnail for Evaluate a Function from a Graph
04:29
Icon for www.youtube.comyoutube.com › watch

Evaluate a Function from a Graph

These videos are part of the 30 day video challenge. This vid is a how to for a tough topic, evaluating a function form a graph. here we go through several examples with function notation and describe what it means to evaluate a function from its picture. For more math shorts go to www.MathByFives.com
YouTube
· Aug 2, 2014
Video thumbnail for Ex: Find an Exponential Function Given Two Points - Initial Value Not Given
06:23
Icon for www.youtube.comyoutube.com › watch

Ex: Find an Exponential Function Given Two Points - Initial Value Not Given

This video explains how to determine the equation of an exponential function in the form y=ab^x given two points on the function. The y-intercept or initial value is not given in this example. Site: http://mathispower4u.com Blog: http://mathispower4u.wordpress.com
YouTube
· Jun 29, 2012
Video thumbnail for Finding function values given a graph
05:28
Icon for www.youtube.comyoutube.com › watch

Finding function values given a graph

Finding function values given a graph
YouTube
· Jun 30, 2011
Video thumbnail for Evaluate all the limits from a given graph
05:34
Icon for www.youtube.comyoutube.com › watch

Evaluate all the limits from a given graph

👉 Learn how to evaluate the limit of a function from the graph of the function. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time. When evaluating the limit of a function from the graph of the function we observe where the y-value of the graph ...
YouTube
· Jun 9, 2018
Video thumbnail for Find the values a and b that make the function differentiable
06:05
Icon for www.youtube.comyoutube.com › watch

Find the values a and b that make the function differentiable

👉 Learn how to determine the differentiability of a function. A function is said to be differentiable if the derivative exists at each point in its domain. To check the differentiability of a function, we first check that the function is continuous at every point in the domain. A function is said to be continuous if two conditions are met ...
YouTube
· Oct 10, 2017
Video thumbnail for How to Find the Maximum or Minimum Value of a Quadratic Function Easily
02:59
Icon for www.youtube.comyoutube.com › watch

How to Find the Maximum or Minimum Value of a Quadratic Function Easily

Learn how to find the maximum or minimum value of a quadratic function easily with this guide from wikiHow: https://www.wikihow.com/Find-the-Maximum-or-Minimum-Value-of-a-Quadratic-Function-Easily Follow our social media channels to find more interesting, easy, and helpful guides! Pinterest: https://www.pinterest.com/wikihow/ Instagram: https ...
YouTube
· Jul 29, 2020