Determine Whether the Relation Represents a Function or a Nonfunction

question 83

Multiple Choice

Determine whether the relation represents a function or a nonfunction. If the relation is a nonfunction, explain how the definition of a function is violated. {(-9, 10) , (-12, 11) , (-7, 8) , (-10, 13) , (-13, 11) , (-5, 7) }

• A) Function
• B) Nonfunction; -12 and -13 are both paired with 11.

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Definitions:

Variable Costs

Costs that change in proportion to the good or service that a business produces.

Shut Down

The cessation of operations, often temporarily, by a business or organization.

Fixed Costs

Expenses that do not change with the level of production or sales, such as rent or salaries.

Marginal Costs

The added cost of producing one additional unit of a product or service.