$[-/6$ Points$]$

SCALCLS$12\mathrm{.}3\mathrm{.}004.$

Use the given graph of $f$ to state the value of each quantity, if it exists. $($If an answer does not exist, enter DNE.$)$

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

Enter an exact number.

$($b$)\underset{x{2}^{+}}{lim}f(x)$

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

$($d$)f(2)$

$($e$)\underset{X1}{lim}f(x)$

$($f$)$ f$(4)$