Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 11 - Additional Topics - 11.1 - Equations and Inequalities Involving Absolute Value - Concept Quiz 11.1: 8

Answer

True

Work Step by Step

We consider the two possibilities: $$ x -4 \leq 0 \\ x \leq 4$$ And $$x -4 \geq 0 \\ x \geq 4$$ The only number that is true for both inequalities is 4, so the given problem statement is true.
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