Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 2 - Review Exercises - Page 234: 37



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, $=4$
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