Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.9 - Linear Inequalities and Absolute Value Inequalities - Concept and Vocabulary Check - Page 137: 3


less than or equal to

Work Step by Step

The interval includes all numbers from negative infinity to -1, including -1 (the bracket is square, not round). That means it represents all real numbers less than or equal to -1.
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