Answer
-4x-2h+1
Work Step by Step
$\frac{f(x+h)-f(x)}{h}$
$\frac{-2(x+h)^2+(x+h)+10-(-2x^2+x+10)}{h}$
$\frac{-2x^2-4xh-2h^2+x+h+10+2x^2-x-10}{h}$
$\frac{-4xh-2h^2+h}{h}$
$\frac{h(-4x-2h+1)}{h}$= -4x-2h+1
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 2 - Summary, Review, and Test - Review Exercises - Page 324: 28
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