Find the absolute maximum and absolute minimum values of the function on each of the indicated intervals.

EnterNonefor any absolute extrema that do not exist.

(A) Interval = .

Absolute maximum =

Absolute minimum =

(B) Interval = .

Absolute maximum =

Absolute minimum =

(C) Interval = .

Absolute maximum =

Absolute minimum =

I am really stuck on this. I even graphed it and couldn't get the right answer. Some help?