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 - Page 13: 76

Answer

$\left\{x| x \lt 2\right\}$ Refer to the image below for the graph.
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Work Step by Step

A parenthesis on the right means that $2$ is not included in the set. Therefore, the set-builder form of the given interval is: $\left\{x| x \lt 2\right\}$ To graph the interval, plot a hollow dot (or a hole) at $x=2$, and then shade the region to the left of $2$. (refer to the attached image in the answer part for the graph).
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