Perform Scalar Multiplication
-Let $A = \left[ \begin{array} { r r r } - 9 & - 3 & 8 \\ - 1 & - 6 & 8 \\ 9 & 6 & 6 \end{array} \right]$

Multiple Choice

Perform Scalar Multiplication
-Let $A = \left[ \begin{array} { r r r } - 9 & - 3 & 8 \\ - 1 & - 6 & 8 \\ 9 & 6 & 6 \end{array} \right]$ and $B = \left[ \begin{array} { r r r } - 3 & 8 & 9 \\ - 5 & - 4 & 1 \\ 6 & 1 & 9 \end{array} \right]$ . Find 2A - 4B.

A)
$\left[ \begin{array} { r r r } - 6 & - 38 & - 20 \\ 18 & 4 & 12 \\ - 6 & 8 & - 24 \end{array} \right]$
B)
$\left[\begin{array}{rrr}-21 & 2 & 25 \\-7 & -16 & 17 \\24 & 13 & 21\end{array}\right]$
C)
$\left[ \begin{array} { r r r } - 12 & 5 & 17 \\ - 6 & - 10 & 9 \\ 15 & 7 & 15 \end{array} \right]$
D)
$\left[ \begin{array} { r r r } - 12 & - 6 & 15 \\ 5 & - 10 & 7 \\ 17 & 9 & 15 \end{array} \right]$