Answer
$3a^2-2$
Work Step by Step
$f(x)=3x^2-2$
$f(a)$ means to take the function and plug in a for x:
$f(a)=3a^2-2$
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: 43
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