Perform the Matrix Operation $A = \left[ \begin{array} { l l } 3 & 3 \\ 2 & 4 \end{array} \right]$

question 34

Multiple Choice

Perform the matrix operation.
-Let $A = \left[ \begin{array} { l l } 3 & 3 \\ 2 & 4 \end{array} \right]$ and $B = \left[ \begin{array} { r r } 0 & 4 \\ - 1 & 6 \end{array} \right]$ . Find $4 A + B$ .

• A)
• \(\left[ \begin{array} { r r } 12 & 7 \\ 7 & 10 \end{array} \right]\)
• B)
• \(\left[ \begin{array} { r r } 12 & 16 \\ 7 & 22 \end{array} \right]\)
• C)
• \(\left[ \begin{array} { r r } 12 & 16 \\ 1 & 10 \end{array} \right]\)
• D)
• \(\left[ \begin{array} { r r } 12 & 28 \\ 4 & 40 \end{array} \right]\)

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Definitions:

Fixed Costs

Costs that do not fluctuate with changes in production level or sales volume, such as rent, salaries, and insurance.