Calculus 8th Edition

Published by Cengage
ISBN 10: 1285740629
ISBN 13: 978-1-28574-062-1

Appendix A - Numbers, Inequalities, and Absolute Values - A Exercises - Page A9: 27



Work Step by Step

Simplify the expression on one side $2x^2+x-1\leq0$ Identify key numbers by equating to zero $x=-1$ $x=1/2$ Assign a test value $[-1,1/2]$
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.