1.5 Inverse Function

Question 1

How do you draw an inverse function?

Answer 1

Swap the x and y coordinates of each point

Question 1

How do you find the domain and range of an inverse function?

Answer 1

Find the domain and range of f(x) and then swap them

Question 2

Algebraic method of finding the inverse

Answer 2

1. Replace f(x) with y
2. Switch the x and y variables
3. Isolate for y
4. Replace y with f^-1(x)