Answer
$f(-2) = 0$
Work Step by Step
To find the value of $f(-2)$, substitute $-2$ for $x$ to obtain:
$f(x)=x^2-4
\\f(-2) = (-2)^2-4
\\f(-2) = 4-4
\\f(-2)=0$
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter 4 - Section 4.1 - Properties of Linear Functions and Linear Models - 4.1 Assess Your Understanding - Page 280: 5
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