Answer
Undefined
Work Step by Step
We see that the graph has an open circle at $x=2$. Thus the value of the function $ f(x)$ at $ x=2$ is:
$ f(2)=Undefined$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 11 - Review Exercises - Page 1178: 18
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