Answer
$4$
Work Step by Step
Average rate of change is: $ \dfrac{f(x_2)-f(x_1)}{x_2-x_1}$
So, $ \dfrac{f(x_2)-f(x_1)}{x_2-x_1}= \dfrac{[-(4)^2+(8)(4)-4]-[-(0)^2+(8)(0)-4]}{4-0}$
or, $=\dfrac{12+4}{4}$
or, $=4$
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 234: 37
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