Hello, I'm new to the forum and would like to get some help with two problems that both relate to analyzing functions. I understand the basic concepts but these questions have been placed under the category of "critical thinking" and I'm not sure how to go about solving them.

**Problem #1**
If

, what is

?

(Hint: Begin by solving

for

.)

I tried this, and so far I got

for the "hint". I'm not sure if that's what I was supposed to try to figure out, and if it is, I'm not sure where to go from that point.