Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 2 - Linear and Quadratic Functions - Section 2.5 Inequalities Involving Quadratic Functions - 2.5 Assess Your Understanding - Page 163: 6


a) $(-\infty, -3 ) \cup (1, \infty)$ b) $[-3,1]$

Work Step by Step

a) We observe from the graph the interval where the function $f$ value is below the value of $g$. We get the interval: $(-\infty, -3 ) \cup (1, \infty)$ (b) We reverse the interval in (a) to get: $[-3,1]$
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