College Algebra (10th Edition)

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: 5

Answer

$f(-2) = 0$

Work Step by Step

To find the value of $f(-2)$, substitute $-2$ for $x$ to obtain: $f(x)=x^2-4 \\f(-2) = (-2)^2-4 \\f(-2) = 4-4 \\f(-2)=0$
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