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 - Page 127: 34


Refer to the image below for the graph.

Work Step by Step

Since the given interval involves open and close parentheses, the lower and upper limits are not included in the set. Thus, the given interval includes the numbers between 1 and 2, but not 1 or 2. Therefore, the given interval is equivalent to: $1 \lt x \lt 2$ To graph this on a number line, plot hollow dots (or holes) at 1 and 2, then shade the region between them. (Refer to the attached image in the answer part above.)
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