Answer
2h+4x+3
Work Step by Step
$\frac{f(x+h)-f(x)}{h}=\frac{(2(x+h)^2+3(x+h)-1)-(2x^2+3x-1)}{h}$
$=\frac{(2h^2+4hx+3h+2x^2+3x-1)-(2x^2+3x-1)}{h}$
$=\frac{2h^2+4hx+3h}{h}=2h+4x+3$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 2 - Review Exercises - Page 233: 25
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