Solve the Problem $F ( x ) = ( P + I ) ( x )$

question 72

Multiple Choice

Solve the problem.
-Suppose that P(x) represents the percentage of income spent on food in year x and I(x) represents income in year x. Determine a function F that represents total food expenditures in year x.

• A) \(F ( x ) = ( P + I ) ( x )\)
• B) \(F ( x ) = ( P \cdot I ) ( x )\)
• C) \(F ( x ) = ( I - P ) ( x )\)
• D) \(F ( x ) = \left( \frac { I } { P } \right) ( x )\)

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Definitions:

Economic Efficiency

A state where resources are allocated in a way that maximizes the production of goods and services at the lowest cost.

Competitive Market Economy

An economic system where numerous buyers and sellers interact in the marketplace, with competition determining the price and quantity of goods and services.

Self-interest

The pursuit of personal gain or advantage, whether economic, psychological, or physical.

Command System

A method of organizing an economy in which property resources are publicly owned and government uses central economic planning to direct and coordinate economic activities; socialism; communism. Compare with market system.