$$\text { Write a third-degree polynomial equation with real coefficients and the roots } 4 , - i \text {. }$$

question 8

Multiple Choice

$$\text { Write a third-degree polynomial equation with real coefficients and the roots } 4 , - i \text {. }$$

• A)\(\quad x ^ { 3 } - 4 = 0\)
• B) \(\quad x ^ { 3 } - 4 x ^ { 2 } + x - 4 = 0\)
• C) \(\quad x ^ { 3 } - 16 = 0\)
• D) \(\quad x ^ { 3 } - 5 x ^ { 2 } - x + 16 = 0\)
• E) none of these

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Definitions:

Economic Profit

The difference between total revenue and total costs, including both explicit and implicit costs, indicating the profitability of an enterprise beyond basic financial profit.

Monopoly

A market structure characterized by a single supplier controlling all the supply of a particular good or service.

Economic Loss

A situation where total costs exceed total revenues, leading to a negative profit.

Regulated Monopolist

A monopoly that operates under government regulation aiming to control pricing, supply, and standards of service to prevent exploitation of monopoly power.