Solve $\frac { x - 9 } { x + 2 } < 0$

question 73

Multiple Choice

Solve: $\frac { x - 9 } { x + 2 } < 0$

• A) \(( - 2,9 )\)
• B) \(( - \infty , - 2 ) \cup ( 9 , \infty )\)
• C) \(( - \infty , 9 )\)
• D) \(( 9 , \infty )\)

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Definitions:

Marginal Social Cost

The total cost to society of producing one additional unit of a good or service, including both the private costs and any external costs.

Pigouvian Taxes

Taxes designed to reduce external costs.

External Costs

costs inflicted upon a third party when goods and services are produced and consumed.

Tradable Emissions Permits

Licenses to emit limited quantities of pollutants that can be bought and sold by polluters.