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: 25


$(-\infty, 1)$ U $(2, \infty)$

Work Step by Step

Simplify the expression on one side $(x-1)(x-2)>0$ Identify key numbers by equating to zero $(x-1)(x-2)=0$ $x=1$ $x=2$ Assign a test value for each interval (to determine sign) $(-\infty, 1)$ U $(2, \infty)$
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