Answer
Concave up: $(-\infty, -2) $U$ (2,\infty)$
Concave down: $(-2,2)$
Work Step by Step
See work
Calculus 10th Edition
by Larson, Ron; Edwards, Bruce H.
Published by
Brooks Cole
ISBN 10:
1-28505-709-0
ISBN 13:
978-1-28505-709-5
Chapter 3 - Applications of Differentiation - 3.4 Exercises - Page 192: 7
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