Perform the Matrix Operation $B = \left[ \begin{array} { l l l l } - 1 & 1 & 7 & - 3 \end{array} \right]$

Multiple Choice

Perform the matrix operation.
-Let $B = \left[ \begin{array} { l l l l } - 1 & 1 & 7 & - 3 \end{array} \right]$ . Find $- 4 B$ .

A) $\left[ \begin{array} { l l l l } - 4 & 4 & 28 & - 12 \end{array} \right]$
B) $\left[ \begin{array} { l l l l } 4 & 1 & 7 & - 3 \end{array} \right]$
C) $\left[ \begin{array} { l l l l } - 3 & - 1 & 5 & - 5 \end{array} \right]$
D) $\left[ \begin{array} { l l l l } 4 & - 4 & - 28 & 12 \end{array} \right]$