Use the Matrix Capabilities of a Graphing Utility to Find

question 55

Multiple Choice

Use the matrix capabilities of a graphing utility to find the determinant of the matrix $$\left[ \begin{array} { c c c l l } - 2 & 2 & 0 & - 4 & 6 \\0 & 0 & 2 & 8 & 0 \\0 & - 4 & - 6 & - 10 & 2 \\2 & 0 & 0 & 14 & 0 \\0 & 0 & 0 & 2 & 0\end{array} \right]$$ .

• A) \(- 48\)
• B) \(224\)
• C) \(- 320\)
• D) \(- 384\)
• E) \(128\)

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Definitions:

Marginal Revenue

The additional income received from selling one more unit of a product or service.

Fixed Costs

Costs that do not change with the level of production or sales, such as rent, salaries, and insurance.

Profit Maximizing Firm

A company that focuses on actions that would increase its profits to the highest possible extent.

Producing Units

Entities or machines engaged in the manufacture or assembly of goods, often within an industrial or manufacturing setting.