SOLUTION: If f(x)=x^3, simplify the expression (f(x+h)-f(x))/(h). thanks

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Question 921324: If f(x)=x^3, simplify the expression (f(x+h)-f(x))/(h). thanks
Answer by josgarithmetic(39623) About Me  (Show Source):
You can put this solution on YOUR website!
%28%28x%2Bh%29%5E3-x%5E3%29%2Fh, you are only stuck until you can form and understand this expression.

%28%281%2Ax%5E3%2B3%2Ax%5E2%2Ah%2B3x%2Ah%5E2%2B1%2Ah%5E3%29-x%5E3%29%2Fh

%283hx%5E2%2B3h%5E2x%2Bh%5E3%29%2Fh

highlight%283x%5E2%2B3hx%2Bh%5E2%29