Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 1 - Mid-Chapter Check Point - Page 228: 21


$f(x)>0$ when $x$ is between $-6$ and $2$ (but not including -6 and 2). In interval notation, $f(x) >0$ when $x$ is within the interval $(-6, 2)$.

Work Step by Step

Note that $f(x)=y$. The graph has $y>0$ when $x$ is in the interval $(-6, 2)$, which does not include -6 and 2. Thus, $f(x) >0$ when $x$ is greater than -6 but less than 2.
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.