- #1

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**Homework Statement**

http://img155.imageshack.us/img155/1432/img0193abz8.jpg [Broken]

**The attempt at a solution**

http://img256.imageshack.us/img256/8302/img0194aeb9.jpg [Broken]

I want to find the sign (i.e. max or min) of the function, however I'm not quite sure if my last step (deriv>0 for x>a/2) and hence deriv<0 for for x<a/2 is correct. I think this is a better idea than finding the double derivative because it starts to get messy.

## Homework Statement

## Homework Equations

## The Attempt at a Solution

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