Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 1 - Section 1.8 - Inequalities - 1.8 Exercises - Page 89: 31

Answer

$(2, 6)$ Refer to the attached image below for the graph.

Work Step by Step

Add 5 to each part to have: $\\-1+5 \lt 2x-5+5 \lt 7+5 \\4 \lt 2x \lt 12$ Divide 2 to each part to have: $\\2 \lt x \lt 6$ Thus, the solution is $(2, 6)$.
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