Find a Polynomial of Least Degree with Only Real Coefficients $2 - i , - 6$

question 266

Multiple Choice

Find a polynomial of least degree with only real coefficients and having the given zeros.
- $2 - i , - 6$

• A) \(f ( x ) = x ^ { 3 } + 2 x ^ { 2 } - 19 x + 30\)
• B) \(f ( x ) = x ^ { 3 } - 2 x ^ { 2 } - 19 x + 24\)
• C) \(f ( x ) = x ^ { 3 } - 2 x ^ { 2 } - 19 x - 30\)
• D) \(f ( x ) = x ^ { 3 } + 4 x ^ { 2 } - 20 x + 30\)

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Definitions:

Marginal External Cost

The cost imposed on a third party by the production of an additional unit of a good or service.

Production Efficiency

A level of output where a company cannot produce more of one good without reducing the output of another good, utilizing resources optimally.

Pollution Damage

The harmful impact of pollutants on the environment, human health, and the economy.

Marginal Social Cost

The cumulative expense incurred by society for creating one more unit of a product or service, encompassing both direct private costs and any external effects.