Find the Matrix Product When Possible A) $$\left[ \begin{array} { r r r } - 40 & - 40 & 27 \\- 45 & 35 & 21 \\- 30 & 10 & - 6\end{array} \right]$$

question 157

Multiple Choice

Find the matrix product when possible.
- $\left[ \begin{array} { l l l } - 5 & - 5 & 3 \end{array} \right] \left[ \begin{array} { r r r } 8 & 8 & 9 \\ 9 & - 7 & 7 \\ 6 & - 2 & - 2 \end{array} \right]$

• A)
• \[\left[ \begin{array} { r r r }
• - 40 & - 40 & 27 \\
• - 45 & 35 & 21 \\
• - 30 & 10 & - 6
• \end{array} \right]\]
• B)
• \(\left[ \begin{array} { l } - 67 \\ - 11 \\ - 86 \end{array} \right]\)
• C)
• \[\left[ \begin{array} { r r r }
• - 5 & - 5 & 3 \\
• 8 & 8 & 9 \\
• 9 & - 7 & 7 \\
• 6 & - 2 & - 2
• \end{array} \right]\]
• D)
• \([-67-11-86]\)

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Definitions:

Average Total Cost

The total cost of production divided by the number of units produced, representing the per-unit cost of production.

Marginal Cost

Indicates the change in total production cost that arises when the quantity produced is increased by one unit.

Output

The overall production of goods and services by a business or the entire economy.

MC Curve

The Marginal Cost Curve, which shows the cost of producing one more unit of a good or service.