Use the Graph Below to Find the Limits or Explain $\lim _{x \rightarrow 2^{-}} f(x)$

Essay

Use the graph below to find the limits or explain why the limits do not exist.
(a) $\lim _{x \rightarrow 2^{-}} f(x)$
(b) $\lim _{x \rightarrow 2^{+}} f(x)$
(c) $\lim _{x \rightarrow 2} f(x)$