$6$:$13$

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In exercises $23-26,$ sketch a graph of a function with the given properties.

$23.f(-1)=2,f(0)=-1,f(1)=3$ and $\underset{x1}{lim}f(x)$ does not exist.

$24.f(x)=1$ for $-2x1,\underset{x{1}^{+}}{lim}f(x)=3$ and $\underset{x-2}{lim}f(x)=1.$

$25.f(0)=1,\underset{x{0}^{-}}{lim}f(x)=2$ and $\underset{x{0}^{+}}{lim}f(x)=3.$

$26.\underset{x0}{lim}f(x)=-2,f(0)=1,f(2)=3$ and $\underset{x2}{lim}f(x)$ does not exist.