#### Answer

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.

Published by
Pearson

ISBN 10:
0-13446-914-3

ISBN 13:
978-0-13446-914-0

less than or equal to

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