Answer
-1.13 < x < 1.13
Work Step by Step
$3.78-2.12 > 1.3x^2$
$x^2 < 1.66/1.3=1.277$
$x^2-1.277<0$
$(x-1.13)(x+1.13)<0$
-1.13 < x < 1.13
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 1 - 1.8 - Other Types of Inequalities - 1.8 Exercises - Page 148: 62
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