Calculus with Applications (10th Edition)

Published by Pearson
ISBN 10: 0321749006
ISBN 13: 978-0-32174-900-0

Chapter 5 - Graphs and the Derivative - 5.1 Increasing and Decreasing Functions - 5.1 Exercises - Page 260: 7


a) $(-7;-4)$ & $(-2;\infty)$ b) $(-\infty;-7)$ & $(-4;-2)$

Work Step by Step

Step 1: Find critical points where $f'(x)=0$ Step 2: If $f'(x)$ is positive, the function is increasing Step 3: If $f'(x)$ is negative, the function is decreasing
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.