College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter 1 - Section 1.7 - Inequalities - 1.7 Exercises - Page 145: 4


H) (-$\infty$,$\infty$)

Work Step by Step

$x^{2}$$\geq$0 is always true because no matter if x is positive or negative, when it is squared it will always be either 0 or positive. Thus the answer is all real numbers.
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