College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter 2 - Quiz - Sections 2.1-2.4 - Page 217: 8

Answer

(a) $(-\infty,-3)$ (b) $(-3,\ \infty)$ (c) None

Work Step by Step

(a) We see from the graph see that the largest interval over which $f$ is decreasing is all $x$ values before -3: $(-\infty,-3)$ (b) We see from the graph see that the largest interval over which $f$ is increasing is all $x$ values after -3: $(-3,\infty)$ (c) From the graph we see that there is no interval over which $f$ is constant.
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