Express as a Polynomial

question 12

Multiple Choice

Express as a polynomial.

• A)9x ⁴ + 21x ² y ² + 49y ⁴
• B)9x ⁴ + 42x ² y ² + 49y ⁴
• C)9x ² + 42x ⁴ y ⁴ + 49y ²
• D)49x ⁴ + 21x ² y ² + 9y ⁴
• E)49x ⁴ - 42x ² y ² + 9y ⁴

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Definitions:

Nonexcludability

The inability to keep nonpayers (free riders) from obtaining benefits from a certain good; a characteristic of a public good.

Public Goods

Goods that are non-excludable and non-rivalrous, meaning they are available to all members of society and one person's consumption does not reduce availability for others.

Public Good

A good or service offered to every member of a society for free, supplied by either government entities or private individuals or groups, without seeking financial gain.

Collective Willingness

The aggregate propensity of a group to invest in goods, services, or actions that benefit the community or society as a whole.