Inverse functions 

Here are two problems on finding inverse functions.

Follow these steps:
1. Rewrite the function as y = [instead of f(x) = ].
2. Switch x and y.
3. Solve for y.
4. Rewrite the new function as -1(x) =.

On both of these problems, I did some extra rearranging at the end to make the final function look nicer. I apologize for the clutter.