Algebra 2 (1st Edition)

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

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 $x \in [-1,1]$.
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