Need help with composite functions

Below is a screenshot of the 1st page of my homework. Any help would be greatly appreciated!

http://img85.imageshack.us/img85/7596/scan0001atg.jpg

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Originally Posted by iTony

Below is a screenshot of the 1st page of my homework. Any help would be greatly appreciated!

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This looks like a graded test, not homework.

It's being counted as homework because we didn't have time to do it in class.

AND I do not want answers I want help :)