Determine Whether the Relation Represents a Function $$\left\{ ( 2.44,3.24 ) , ( 2.444 , - 3.2 ) , \left( \frac { 7 } { 3 } , 0 \right) , ( 2.33 , - 2 ) \right\}$$

question 224

Multiple Choice

Determine whether the relation represents a function. If it is a function, state the domain and range.
- $$\left\{ ( 2.44,3.24 ) , ( 2.444 , - 3.2 ) , \left( \frac { 7 } { 3 } , 0 \right) , ( 2.33 , - 2 ) \right\}$$

• A) function
• domain: \(\{ 3.24 , - 3.2,0 , - 2 \}\)
• range: \(\left\{ 2.44,2.444 , \frac { 7 } { 3 } , 2.33 \right\}\)
• B) function
• domain: \(\left\{ 2.44,2.444 , \frac { 7 } { 3 } , 2.33 \right\}\)
• range: \(\{ 3.24 , - 3.2,0 , - 2 \}\)
• C) not a function

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Definitions:

Contribution Margin

Contribution margin is a cost accounting concept that calculates the difference between a product's price and its variable costs, indicating how much each unit sold contributes to covering fixed costs and generating profit.

Variable Cost

Costs that fluctuate in relation to the level of output or production, such as raw materials and direct labor expenses.

Operating Cash Flow

Describes the cash generated by the regular operating activities of a business in a specific period.

Contribution Margin

The amount by which the sale of a product or service exceeds its production costs, contributing to the covering of fixed costs and generating profit.