Your image is just barely legible. Instead of drawing a crude sketch of the problem, and then uploading an image of it, why not just type the problem in here?
Given the function, state the domain and range. I just want to make sure my notation is correct? More specifically, the im f, can you have the independent variable in there?
Here's my answer: http://tinypic.com/r/2nlda2q/5
The Attempt at a Solution