Find the Matrix Product When Possible $\left[ \begin{array} { r r } 3 & - 2 \\ 6 & 0 \end{array} \right] \left[ \begin{array} { r r } 0 & - 2 \\ 2 & 6 \end{array} \right]$

question 200

Multiple Choice

Find the matrix product when possible.
- $\left[ \begin{array} { r r } 3 & - 2 \\ 6 & 0 \end{array} \right] \left[ \begin{array} { r r } 0 & - 2 \\ 2 & 6 \end{array} \right]$

• A)
• \(\left[\begin{array}{rr}
• -4 & -18 \\
• 0 & -12
• \end{array}\right]\)
• B)
• \(\left[\begin{array}{rr}
• -12 & 0 \\
• 42 & -4
• \end{array}\right]\)
• C)
• \(\left[\begin{array}{rr}
• 0 & 4 \\
• 12 & 0
• \end{array}\right]\)
• D)
• \(\left[\begin{array}{rr}
• -18 & -4 \\
• -12 & 0
• \end{array}\right]\)

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Definitions:

Long-run Average Total Cost

The average cost per unit of output when all inputs, including capital, can be varied, and economies of scale are realized fully.

Unit Costs

The cost incurred by a business to produce, store, and sell one unit of a particular product or service.

Plant Size

The capacity or physical extent of a manufacturing facility, including its machinery, layout, and workforce.

Economies of Scale

Competitive edge gained by firms through efficient production methods, leading to a reduction in the cost for each unit produced as the scale of production grows.