Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 2 - Graphs and Functions - Chapter 2 Test Prep - Review Exercises: 32

Answer

(a) increasing over the interval $(2, +\infty)$; (b) decreasing over the interval $(-\infty, -2)$; and (c) constant over the interval $(-2, 2)$

Work Step by Step

Note that the graph in Exercise 22 is: falling from the left up to $x=-2$; constant/flat in $(-2, 2)$; and rising from $x=2$ to the right Therefore, the graph in Exercise 22 is: (a) increasing over the interval $(2, +\infty)$; (b) decreasing over the interval $(-\infty, -2)$; and (c) constant over the interval $(-2, 2)$
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