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 2.8 Equations and Inequalities Involving the Absolute Value Function - 2.8 Assess Your Understanding - Page 182: 63

Answer

(a) $-\frac{1}{5},1$. (b) $(-\frac{1}{5},1)$. (c) $(-\infty,-\frac{1}{5}]\cup[1,\infty)$.

Work Step by Step

See graph for the two given functions. (a) We can identify the solution as $x=-\frac{1}{5},1$. (b) We can identify the solution as $(-\frac{1}{5},1)$. (c) We can identify the solution as $(-\infty,-\frac{1}{5}]\cup[1,\infty)$.
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