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: 28

Answer

$(-2,4)$

Work Step by Step

Simplify the expression on one side $x^2-2x-8<0$ Identify key numbers by equating to zero $x=-2$ $x=4$ Assign test to intervals to determine the sign $(-2,4)$
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