Calculus (3rd Edition)

Published by W. H. Freeman
ISBN 10: 1464125260
ISBN 13: 978-1-46412-526-3

Chapter 1 - Precalculus Review - 1.5 Technology: Calculators and Computers - Exercises - Page 35: 2


Only one root $x\approx-2.65$

Work Step by Step

By using the Maple program, we can graph the function $y=x^3-4x+8$ and calculate its roots by observing where the graph crosses the x-axis. We have only one root: $x=-2.65$. See the graph below.
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.