Perform the Indicated Operation $B = \left[ \begin{array} { l l l l } - 1 & 1 & 4 & - 3 \end{array} \right]$

Multiple Choice

Perform the indicated operation.
-Let $B = \left[ \begin{array} { l l l l } - 1 & 1 & 4 & - 3 \end{array} \right]$ . Find -3B.

A) $\left[ \begin{array} { l l l l } 3 & - 3 & - 12 & 9 \end{array} \right]$

B) $\left[ \begin{array} { l l l l } - 3 & 3 & 12 & - 9 \end{array} \right]$

C) $\left[ \begin{array} { l l l l } 3 & 1 & 4 & - 3 \end{array} \right]$

D) $\left[ \begin{array} { l l l l } - 3 & - 1 & 2 & - 5 \end{array} \right]$