Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 3 - Section 3.4 - Exponential and Logarithmic Equations - Exercise Set - Page 492: 150


a. $[-4,\infty)$ b. $(-\infty,3]$ c. $\pm4$ d. $2$ e. $(-4,-2)$ f. $(-2,\infty)$ g. $-2$ h. $3$ i. $ 2$

Work Step by Step

Based on the given graph, we have: a. the domain of f: $[-4,\infty)$ b. the range of f: $(-\infty,3]$ c. the x-intercepts: $x=\pm4$ d. the y-intercept: $y=2$ e. interval(s) where f is increasing: $(-4,-2)$ f. interval(s) where f is decreasing: $(-2,\infty)$ g. the number at which f has a relative maximum: $x=-2$ h. the relative maximum of f: $f(-2)=3$ i. $f(-3)=2$
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