Answer
See below
Work Step by Step
Given: $\frac{8}{x^2+1}\geq4$
Enter $y_1=\frac{8}{x^2+1}$ and $y_2=4$ into a graphing calculator.
Graph the functions and use the intersect feature.
Hence, the solution is $x \in [-1,1]$.
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 8 Rational Functions - Extension - Solve Rational Inequalities - Practice - Page 600: 9
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