Section 9.5-Inverses
Test two functions to determine if they are inverses of each other.
A video explanation of the topic is available at http://patrickjmt.com/inverse-functions-the-basics/, http://patrickjmt.com/finding-the-inverse-of-a-function/.
Some video examples are available at http://patrickjmt.com/finding-the-inverse-of-a-function-or-showing-one-does-not-exist-ex-2/, http://patrickjmt.com/finding-the-inverse-of-a-function-or-showing-one-does-not-exist-ex-3/, http://patrickjmt.com/finding-the-inverse-of-a-function-or-showing-one-does-not-exist-ex-4/.