Calculus (3rd Edition)

Published by W. H. Freeman
ISBN 10: 1464125260
ISBN 13: 978-1-46412-526-3

Chapter 1 - Precalculus Review - 1.1 Real Numbers, Functions, and Graphs - Exercises: 14

Answer

[-9,9]

Work Step by Step

1.) Set the inequality equal to the original value and then set another inequality equal to the opposite of the original value with the opposite sign. x$\leq$9 and x$\geq$-9 2.)Combine the two inequalities to find the set of numbers that x can equal [-9,9]
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