Answer
$[-1,1]$
Work Step by Step
$x^2\leq 1$
$x^2-1\leq 0$ (Factor)
$(x-1)(x+1)\leq 0$
The solution is $[-1,1]$.
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter 1, Equations and Graphs - Chapter 1 Review - Exercises - Page 170: 84
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