Perform Scalar Multiplication
-Let $\mathrm { A } = \left[ \begin{array} { r } 1 \\ - 3 \\ 2 \end{array} \right]$

Perform Scalar Multiplication
-Let $\mathrm { A } = \left[ \begin{array} { r } 1 \\ - 3 \\ 2 \end{array} \right]$ and $\mathrm { B } = \left[ \begin{array} { r } - 1 \\ 3 \\ - 2 \end{array} \right]$ . Find $\mathrm { A } - 4 \mathrm {~B}$ .

A)
$\left[ \begin{array} { r } 5 \\ - 15 \\ 10 \end{array} \right]$
B)
$\left[ \begin{array} { r } - 3 \\ 9 \\ - 6 \end{array} \right]$
C)
$\left[ \begin{array} { r } - 5 \\ 15 \\ - 10 \end{array} \right]$
D)
$\left[ \begin{array} { r } 5 \\ - 6 \\ 4 \end{array} \right]$