blem $2$: $[3$ pts$]$ Use the graph of the function $y=f(x)$ shown below to find th

$\underset{x-4}{lim}f(x)=$

$\underset{x-2^{-}}{lim}f(x)=$

$\underset{x-2^{}}{lim}f(x)=$

$\underset{x0}{lim}f(x)=$

$\underset{x2}{lim}f(x)=$

$\underset{x4}{lim}f(x)=$