Answer
$-1.5$
Work Step by Step
From the given table we see that the value of $f(2)$ is $0.5$. (Look at the column where x is 2). Also, $f(-2)=2$
$f(2)-f(-2)=0.5-2=-1.5$
Finite Math and Applied Calculus (6th Edition)
by Waner, Stefan; Costenoble, Steven
Published by
Brooks Cole
ISBN 10:
1133607705
ISBN 13:
978-1-13360-770-0
Chapter 1 - Section 1.1 - Functions from the Numerical, Algebraic, and Graphical Viewpoints - Exercises - Page 52: 3a
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