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## Homework Statement

Evaluate lim h->0 (f(4+h)-f(4))/h

given f(x)=|x-4|-4

**2. The attempt at a solution**

Not too sure how to do this with absolute values, I've tried just subbing in small values for h, which gave me -1, but as this is an online question for marks, I am not too sure. Any assistance would be greatly appreciated.