Find the Indicated Matrix $A = \left[ \begin{array} { l l } - 1 & 2 \end{array} \right]$

Multiple Choice

Find the indicated matrix.
-Let $A = \left[ \begin{array} { l l } - 1 & 2 \end{array} \right]$ and $B = \left[ \begin{array} { l l } 1 & 0 \end{array} \right]$ . Find $3 A + 4 B$ .

A) $\left[ \begin{array} { l l } - 1 & 4 \end{array} \right]$
B) $\left[ \begin{array} { l l } 2 & 2 \end{array} \right]$
C) $\left[ \begin{array} { l l } - 3 & 4 \end{array} \right]$
D) $\left[ \begin{array} { l l } 1 & 6 \end{array} \right]$