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) About Me  (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