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 - Concept and Vocabulary Check - Page 12: 12


2, 5, 2, 5

Work Step by Step

When an interval has a square bracket next to a number, it includes that number. 2 has a square bracket next to it, and 5 doesn't. This means that the interval includes 2, but doesn't include 5. The first number in an interval indicates the starting point, and the last number indicates the end point. Therefore, the interval indicates the set of real numbers from 2 to 5, including 2.
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