Well the derivate of x squared (Don't know how to do it on a Mac) is 2x.. but you also ned to take into account the minus sign in front of it.. Also the problem Xanny did is different from the one I have quoted
Quote:
Originally posted by Shooter
Mr. Earl Rufus is currently 16, and will be turning 17 on April 2. 
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As for shooter, he really scares me sometimes, but that is all correct.