Find a - B $$A = \left[ \begin{array} { l l } 2 & - 2 \\4 & - 2\end{array} \right] , B = \left[ \begin{array} { c c } 4 & - 2 \\- 2 & 8\end{array} \right]$$

question 177

Multiple Choice

Find A - B. $$A = \left[ \begin{array} { l l } 2 & - 2 \\4 & - 2\end{array} \right] , B = \left[ \begin{array} { c c } 4 & - 2 \\- 2 & 8\end{array} \right]$$

• A) \(\left[ \begin{array} { c c }
• 2 & 0 \\
• - 10 & 6
• \end{array} \right]\)
• B) \(\left[ \begin{array} { c c }
• 0 & - 10 \\
• 6 & 0
• \end{array} \right]\)
• C) \(\left[ \begin{array} { c c }
• - 6 & 0 \\
• 6 & - 10
• \end{array} \right]\)
• D) \(\left[ \begin{array} { c c }
• - 4 & 0 \\
• 6 & - 10
• \end{array} \right]\)
• E) \(\left[ \begin{array} { c c }
• - 2 & 0 \\
• 6 & - 10
• \end{array} \right]\)

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Definitions:

Average Total Cost

The total cost of production divided by the number of goods produced, representing the cost per unit of output.

Fixed Costs

Costs that do not vary with the volume of production, such as rent, salaries, and insurance.

Birthday Cakes

Desserts specially made or bought to celebrate a person's birthday, often decorated with icing, candles, and personalized messages.

Average Fixed Cost

The steady expenditure in manufacturing, divided by the total output generated.