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 181: 8


$-a\lt u\lt a$.

Work Step by Step

$|u|\lt a$ is equivalent to $-a\lt u\lt a$. For example, $|x|\lt 1$ implies that $x$ is between $-1$ and $1$.
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