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Matrix Scalar Multiplication: Product of a Scalar and a Matrix. Matrix multiplication usually falls into one of two types or classifications. The first one is called Scalar Multiplication, also known as the “Easy Type“; where you simply multiply a number into each and every entry of a given matrix.. The second one is called Matrix Multiplication which is discussed in a separate lesson.

Finding the inverse of a rational function is relatively easy. Although it can be daunting at first, you will get comfortable as you study along. In this lesson, I have prepared five (5) examples to help you gain a basic understanding on how to approach it. You may realize later that the procedure to find the inverse is rather repetitious.

Secondly, find the inverse algebraically using the suggested steps. Make sure that you write the correct domain and range of the inverse function. The [latex]x[/latex] variable in the original equation has a coefficient of [latex]-1[/latex]. Keep track of this as you solve for the inverse.

Finding the Inverse of Constant Function. A constant function has the general form [latex]f\left( x \right) = {\color{red}a}[/latex] where [latex]\color{red}a[/latex] is a real number.. From the general formula, the output of a constant function regardless of its input value (usually denoted by [latex]x[/latex]), will always be the same which is the fixed number [latex]\color{red}a[/latex].