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An inverse function links the output value back to the input value, meaning it is the original function in reverse. An inverse function is written as 𝑓\(^-\)\(^1\)(𝑥).

Learn how to use functions to represent translations, sketches, compressions and reflections of graphs with GCSE Bitesize Maths.

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GCSE Maths. Number; Algebra; Ratio, Proportion and Rates of Change; Geometry and Measures; Trigonometry; Statistics and Probability; GCSE Maths Past Papers; GCSE Maths (9-1) Revision Advice; GCSE Maths Exam Tips; Other GCSE Subjects; How to Achieve a Grade 9 in GCSE Statistics; How to Prepare for the Non-Calculator GCSE Maths Exam; Maths GCSE ...

Free online GCSE video tutorials, notes, exam style questions, worksheets, answers for all topics in Foundation and Higher GCSE. ... Function Machines: Solutions: 2.9: Solving One Step Equations: Exam Questions: Solving One Step Equations: Solutions: 2.10: ... Edexcel IGCSE Maths GCSE Statistics. A Level. Learn A Level Maths Edexcel A Level ...

BBC Bitesize GCSE Maths is a free online resource providing students with interactive guides, videos, and practice questions for all areas of the GCSE Maths curriculum. It's designed to help students understand and revise key concepts, and prepare for their exams efficiently.

Learn what a function is at GCSE level Maths. Learn how to use them, find their inverses and combine them with other functions. Functions, inverse functions ...

Inverse Functions What is an inverse function? An inverse function does the opposite (reverse) operation of the function it came from. E.g. If a function “doubles the number then adds 1” Then its inverse function “subtracts 1, then halves the result” The same inverse operations are used when solving an equation or rearranging a formula

Maths revision video and notes on the topic of Inverse and Composite Functions. GCSE Revision. GCSE Papers . ... Edexcel IGCSE Maths GCSE Statistics. A Level. Learn A Level Maths Edexcel A Level Papers AQA A Level Papers

GCSE Paper 1: Thursday 15 May 2025 (AM) GCSE Paper 2: Wednesday 4 June 2025 (AM) GCSE Paper 3: Wednesday 11 June (AM) Statistics Paper 1: Monday 2 June 2025 (AM)

Functions for GCSE Maths: Explanation, Examples and Questions Functions are a fundamental concept in mathematics, describing the relationship between inputs and outputs in a precise way. At GCSE level, students learn how to work with functions, including function notation, evaluating functions, and understanding inverse and compound functions ...

GCSE; AQA; Algebraic formulae - AQA Function notation – Higher. Formulae are used in everyday life, from working out areas and volumes of shapes to converting units of measurement.

Determine composite and inverse functions for trigonometric, logarithmic, exponential or algebraic functions as part of Bitesize Higher Maths

In GCSE Maths, functions are mathematical relationships that assign each input (usually represented by ‘x’) to a single output (‘y’). They are often expressed as equations or graphs, and they play a key role in modelling real-world situations, solving equations, and understanding patterns in data. ...

A list of GCSE Maths Formula: Check out our blog post related to the GCSE Maths Formulas Students Need to Learn. GCSE Maths Learning Resources 1. Maths Genie: Website: Maths Genie. Description: Maths Genie is a free resource offering video tutorials, practice questions, and past papers for GCSE Maths. The content is organized by topic, making ...

The function machine is a three-step process: multiply by 9, divide by 5 and then add 32. To rearrange the formula, these steps are undone using the inverse operations : The inverse of add 32 is ...

Worked Example. A function is defined as . (a) Find . The input is , so substitute 7 into the expression everywhere you see an Calculate (b) Find , giving your answer in the form where , and are integers to be found. The input is so substitute into the expression everywhere you see an This is like replacing with Expand the brackets and simplify Use that Be careful with negative signs

The Algebra GCSE maths revision section of Revision Maths covers: Factorising, Solving Equations, Travel Graphs, Algebraic Fractions, Equation of a Straight Line, Simultaneous Equations, Inequalities, Indices, Quadratic Equations and Functions. Revision Maths hierarchy navigation. Algebraic Rules and Terms;

Learn how to find both the inputs and outputs of function machines with this BBC Bitesize Maths article. For students between the ages of 11 and 14.