Answer
(a) $-7$
(b) $-19$
Work Step by Step
$12x-7$
(a) $x=0$
$12(0)-7=0-7=-7$
(b) $x=-1$
$12(-1)-7=-12-7=-19$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Prerequisites - Review Exercises - Page 62: 13
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