Which Set of Ordered Pairs Represents a Function from P

question 22

Multiple Choice

Which set of ordered pairs represents a function from P to Q?P = {2, 4, 6, 8} Q = {-5, -3, -1}

• A){(2, -5), (4, -3), (4, -1), (6, -3), (8, -5)}
• B){(6, -5), (6, -3), (6, -1)}
• C){(6, -3), (4, -5), (2, -3), (4, -1), (6, -5)}
• D){(4, -3), (6, -1), (8, -3)}
• E){(2, -1), (6, -3), (2, -5), (6, -1)}

---

Definitions:

Variable Costs

Variable costs are expenses that vary directly with the level of production or sales volume, such as materials and labor.

ATC Curve

Represents the average total cost of production, calculated by dividing the total cost by the quantity of output produced, depicted graphically.

Marginal Cost

The additional cost incurred by producing one more unit of a product or service; it is an important concept in economics for understanding how to optimize production levels.

Long Run

A period of time during which all factors of production and costs are variable, in contrast to the short run where some costs are fixed.