Solve the Problem A) Yes
B) No

question 12

Multiple Choice

Solve the problem.
-Does the commutative property of multiplication, A × B = B × A, hold for matrices A and B? $$\mathrm { A } = \left[ \begin{array} { r r } 3 & 4 \\- 7 & 8\end{array} \right] , \mathrm { B } = \left[ \begin{array} { r r } 1 & - 7 \\4 & 7\end{array} \right]$$

• A) Yes
• B) No

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Definitions:

Units of Output

The individual items or quantities of service produced by a company, sector, or economy.

Demand Curve

A visual representation that shows the relationship between the price of a product and the quantity of it that consumers are willing and able to purchase at various prices.

Marginal Revenue

The extra revenue generated by the sale of an additional unit of a product or service.

Marginal Cost

The cost of producing one additional unit of a good or service.