Answer
See sample answer below.
Work Step by Step
$f(x)\left\{\begin{array}{lll}
1, & if & x\not\in\{0,1,2\}\\
0 & if & x\in\{0,1,2\}
\end{array}\right.$
is defined everywhere. It is continuous everywhere except at $x=0$, $x=1$, and at $x=2$.
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 10 - Section 10.3 - Limits and Continuity: Algebraic Viewpoint - Exercises - Page 721: 108
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