$g(1\mathrm{.}9)$

$g(2\mathrm{.}1)$

$g(3\mathrm{.}5)$

$g(2\mathrm{.}5)$

$($A$)\underset{x{1}^{-}}{lim}g(x)$

$($B$)\underset{x{1}^{+}}{lim}g(x)$

$($C$)\underset{x1}{lim}g(x)$

$($D$)g(1)$

$($A$)\underset{x{2}^{-}}{lim}g(x)$

$($B$)\underset{x{2}^{+}}{lim}g(x)$

$($C$)\underset{x2}{lim}g(x)$

$($D$)g(2)$

$($A$)\underset{x{3}^{-}}{lim}g(x)$

$($B$)\underset{x{3}^{+}}{lim}g(x)$

$($C$)\underset{x3}{lim}g(x)$

$($D$)g(3)$

$($A$)\underset{x{4}^{-}}{lim}g(x)$

$($B$)\underset{x{4}^{+}}{lim}g(x)$

$($C$)\underset{x4}{lim}g(x)$

$($D$)g(4)$

Problems $15-22$ refer to the function $f$ shown in the figure. Use the graph to estimate the indicated function values and limits$.$