## I. Analyzing Functions

**B. Compositions & Inverses**

When composing functions, one function is the input into the other. View the following Video

Inverse functions undo each other.

Check out these four videos about inverse functions

Check out these four videos about inverse functions

Then look at Khan Academy, Precalculus, Introduction to Functions Inverses, and Examples 1 – 3, near the bottom of the list at

__http://www.hippocampus.org/Calculus%20%26%20Advanced%20Math?uak=ipw__.