Answer
2
Work Step by Step
Given the interval [-1,2]
f(2)=$2(2)^{2}+4$=12
f(-1)=$2(-1)^{2}+4$=6
The average rate of change of f(x) over the interval [-1,2]
$\frac{f(2)−f(-1)}{2−(-1)}=\frac{12-6}{3}=2$
Finite Math and Applied Calculus (6th Edition)
by Waner, Stefan; Costenoble, Steven
Published by
Brooks Cole
ISBN 10:
1133607705
ISBN 13:
978-1-13360-770-0
Chapter 10 - Section 10.4 - Average Rate of Change - Exercises - Page 731: 14
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