Determine the Domain and the Range of the Function $$f ( x ) = x ^ { 2 } - 4 x + 4$$

question 64

Multiple Choice

Determine the domain and the range of the function.
- $$f ( x ) = x ^ { 2 } - 4 x + 4$$

• A) domain: {x|x ≥ 2}
• B) domain: {x|x ≥ -2} range: {y|y ≥ 0} range: {y|y ≥ 0}
• C) domain: all real numbers
• D) domain: all real numbers range: {y|y ≥ 4} range: {y|y ≥ 0}

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Definitions:

Economic Profit

Economic profit is the difference between a firm's total revenue and its total costs, including both explicit and implicit costs, thereby measuring efficiency beyond accounting profit.

Long Run

In economics, the time period in which all factors of production and costs can be fully adjusted, contrasting with the short run where some costs are fixed.

Marginal Revenue

The additional income received from selling one more unit of a good or service.

Marginal Cost

The elevation in aggregate cost associated with creating an extra unit of a good or service.