Answer
(-2,2)
Work Step by Step
$x^{2}$ $\lt$ 4
$x^{2}$ - 4 $\lt$ 0
(x-2)(x+2) $\lt$ 0
Factors are zero when x=+or-2, endpoints don't satisfy the inequality,
plug in values from intervals to decide which of them satisfy the inequality.
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 1 - Section 1.8 - Inequalities - 1.8 Exercises - Page 89: 49
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
