College Algebra (10th Edition)

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

Chapter 1 - Section 1.5 - Solving Inequalities - 1.5 Assess Your Understanding: 72

Answer

[1, 4]

Work Step by Step

Solve the inequalities as below: $4\le 2x+2\le 10$ $2\le 2x\le 8$ (subtract 2 from all parts) $1\le x\le 4$ (divide all parts by 2) So the solution is [1, 4] in interval notation. It can be graphed as below:
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