Algebra - Inverse Functions
tutorial.math.lamar.edu › InverseFunctionsJun 19, 2021 · Finding the Inverse of a Function. Given the function f (x) f ( x) we want to find the inverse function, f −1(x) f − 1 ( x). First, replace f (x) f ( x) with y y. This is done to make the rest of the process easier. Replace every x x with a y y and replace every y y with an x x. Solve the equation from Step 2 for y y.