Perform the Indicated Matrix Operations $A = \left[ \begin{array} { l l } - 4 & 2 \end{array} \right]$

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

A) $\left[ \begin{array} { l l } - 1 & 2 \end{array} \right]$
B) $[ - 74 ]$
C) $\left[ \begin{array} { l l } - 8 & 6 \end{array} \right]$
D) $[ - 124 ]$

Correct Answer:

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