Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 2 - Section 2.3 - Getting Information from the Graph of a Function - 2.3 Exercises - Page 180: 42

Answer

$a.\qquad $see image below $b.\quad (-\infty,\infty)$ $ c.\quad$ Decreases on $( 0,\infty)$ Increases on $ ( -\infty,0)$

Work Step by Step

$a.$ (graphed with online graphic calculator at desmos.com) $b.$ $f$ is defined for all reals, $(-\infty,\infty)$ $c.$ f has a local maximum at $x=0$ Decreases on $( 0,\infty)$ Increases on $ ( -\infty,0)$
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