Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Section 1.1 - Algebraic Expressions, Real Numbers, and Interval Notation - Exercise Set: 65

Answer

$\left\{x | 1 \lt x \le 6\right\}$ Refer to the attached image below for the graph.
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Work Step by Step

An bracket on the left means that 1 is not included in the set. A parenthesis on the right means that 6 is included in the set. Therefore. the set-builder form of the given interval is: $\left\{x | 1 \lt x \le 6\right\}$ To graph the interval, plot a hole (or hollow dot) at x=1 and a solid dot at x=6, then shade the region between them. (refer to the attached image in the answer part for the graph)
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