If $f ( x ) = x ^ { 2 } - x + 4$

question 13

Multiple Choice

If $f ( x ) = x ^ { 2 } - x + 4$ , evaluate the difference quotient $\frac { f ( a + h ) - f ( a ) } { h }$ .

• A) \(2 a - 4\)
• B) \(2 a + h - 4\)
• C) h
• D) \(2 a - h - 4\)
• E) None of these

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Definitions:

Diminishing Marginal Utility

The decline in the additional satisfaction a person derives from consuming one more unit of a good or service.

Demand Curves

A graphical representation showing the relationship between the price of a good and the quantity of that good that consumers are willing and able to purchase at various prices.

Supply Curves

A graphical representation showing the relationship between the price of a good and the quantity supplied at those prices.

Total Utility

The overall satisfaction or value a consumer derives from consuming a particular quantity of goods or services.