Answer
a. $-1$
b . $1$
c . $2$
d . $2$
Work Step by Step
a. $f(1) = -1$
b . $\lim\limits_{x \to 1}{f(x)} = 1$
c . $f(0) = 2$
d . $\lim\limits_{x \to 0}{f(x)} = 2$
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