Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 1 - Equations and Inequalities - 1.8 Absolute Value Equations and Inequalities - 1.8 Exercises: 73

Answer

$|r-29| \ge 1$

Work Step by Step

RECALL: $|a-b|$ represents the distance between the real numbers $a$ and $b$. Thus, the distance between $r$ and $29$ is represented by $|r-29|$. Since the distance is no less than (greater than or equal to) $1$ units, then the required inequality is: $|r-29| \ge 1$
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