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September 1, 2014

Homework Help: Math

Posted by Hannah on Saturday, April 2, 2011 at 7:20pm.

if f(x) = 2x^2 + 5x,
find f(x+h) - f(x) / h and simplify.

I started to do this but then got lost.
2(x+h)^2 + 5x + 2x^2 + 5x all over h

4x^2 + 4xh + h^2 + 5x + 2x^2 + 5x

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