Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 4 - Polynomial and Rational Functions - 4.4 Polynomial and Rational Inequalities - 4.4 Assess Your Understanding - Page 219: 11

Answer

$[-4,\infty)$

Work Step by Step

First I graph the function. Then, according to the graph of the function: $f(x)\geq0$ in the interval $[-4,\infty)$ because the graph of the function is above or on the x-axis ($y=0$) on this interval. $-4$ and $2$ are included because the inequality involves greater than or equal to.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After 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.