College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 1 - Section 1.6 - Equations and Inequalities Involving Absolute Value - 1.6 Assess Your Understanding: 76


$a=7$ and $b=13$

Work Step by Step

We are given: $|x-3|\leq 1$ $-1\leq x-3\leq 1$ We add $3$: $2\leq x\leq 4$ And multiply by $3$: $6\leq 3x\leq 12$ And add $1$: $7\leq 3x+1\leq 13$ Therefore: $a=7$ and $b=13$
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