Evaluate the Expression Using the Values Given in the Table $( \mathrm { f\circ g })( 3 )$

Evaluate the expression using the values given in the table.
- $( \mathrm { f\circ g }) ( 3 )$
$\begin{array}{c|r|r|r|r}\mathrm{x} & 1 & 7 & 10 & 12 \\\hline \mathrm{f}(\mathrm{x}) & -2 & 10 & 0 & 12\end{array}$

$\begin{array}{c|r|r|r|r}\mathrm{x} & -5 & -2 & 1 & 3 \\\hline \mathrm{g}(\mathrm{x}) & 1 & -7 & 7 & 10\end{array}$

A) Undefined
B) 10
C) 7
D) 0