SOLUTION: For f(x) = x^2 find and simplify f(x+h)-f(x) over h

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Question 115136: For f(x) = x^2 find and simplify f(x+h)-f(x) over h
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Start with the given formula



Plug in f%28x%2Bh%29=%28x%2Bh%29%5E2 and f%28x%29=x%5E2


Foil/Expand %28x%2Bh%29%5E2



Combine like terms (i.e. combine %28x%5E2%29-%28x%5E2%29 to get 0)

Factor out an h

Divide h%2Fh to get 1

Simplify