Answer
25
Work Step by Step
$f(x)=3x^2-2$
$f(-3)$ means to take the function and plug in -3 for x:
$f(-3)=3(-3)^2-2=3(9)-2=27-2=25$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 10 - Section 10.4 - Nonlinear Inequalities and Systems of Inequalities - Exercise Set - Page 629: 42
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