Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 1 - Section 1.8 - Inequalities - 1.8 Exercises: 101


x$\geq$3 and x$\leq$-3

Work Step by Step

$x^{2}$-9$\geq$0 $x^{2}$$\geq$9 |x|$\geq$3 x$\geq$3 and x$\leq$-3
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