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

question 502

Multiple Choice

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

• A) \(\left[ \begin{array} { l l } - 7 & 4 \end{array} \right]\)
• B) \(\left[ \begin{array} { l l } - 12 & 4 \end{array} \right]\)
• C) \(\left[ \begin{array} { l l } - 8 & 6 \end{array} \right]\)
• D) \(\left[ \begin{array} { l l } - 1 & 2 \end{array} \right]\)

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