SOLUTION: If f(x)=x^2-5, find and simplify f(x+h)-f(x)/h

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Question 670510: If f(x)=x^2-5, find and simplify f(x+h)-f(x)/h
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi,
f(x)=x^2-5
f(x+h)-f(x)/h = (x+h)^2 - 5 - (x^2-5) = h(2x+h)/h = 2x+h
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