Students will learn the formula for the derivative of an inverse function. Then they'll see three proofs of the formula. Here's the first proof, here's the second, and here's the third. Finally, students will practice using the formula.

Conclude by giving your students these challenges:

- Folding Flowers 2 by NRICH
- Four Coloured Lights by NRICH
- Times Right by NRICH
- Difference of Two Squares by NRICH
- 2016 AMC 8, Problem 19