Answer
a. $ -1$
b. $ -1$
c. $ -1$
d. $f(0)=-1$
e. $f$ is continuous
Work Step by Step
From the given figure, we get
a. $\lim _{x \rightarrow 0^{-}} f(x)=-1$
b. $\lim _{x \rightarrow 0^{+}} f(x)=-1$
c. $\lim _{x \rightarrow 0 } f(x)=-1$
d. $ f(0)=-1 $
e. $f$ is continuous at $x=0$.
