Answer
$(11.,8,15.4)$
Work Step by Step
The equation by the text of the exercise is: $|x−13.6|\lt1.8$,
so $-1.8\lt x−13.6\leq1.8$,
so $11.8\lt x\leq15.4$, thus the solution set is $(11.,8,15.4)$
College Algebra (10th Edition)
by Sullivan, Michael
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 - Page 133: 67
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