Determine If the Relation Illustrated Is a Function $$\begin{array} { l } 3 \rightarrow 15 \\4 \rightarrow 20 \\5 \rightarrow 25 \\6 \rightarrow 30\end{array}$$

question 45

Multiple Choice

Determine if the relation illustrated is a function. Give the domain and range of the function or relation.
-five times a number $$\begin{array} { l } 3 \rightarrow 15 \\4 \rightarrow 20 \\5 \rightarrow 25 \\6 \rightarrow 30\end{array}$$

• A)function domain:{15, 20, 25, 30} range: {3, 4, 5, 6}
• B)not a function domain:{15, 20, 25, 30} range: {3, 4, 5, 6}
• C) function domain: {3, 4, 5, 6} range: {15, 20, 25, 30}
• D) not a function domain: {3, 4, 5, 6} range: {15, 20, 25, 30}

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Definitions:

Operating Leverage

A measure of how sensitive a company's operating income is to changes in revenue, indicating the degree to which fixed costs are utilized.

Absorption Costing

An accounting method that includes all manufacturing costs (direct materials, direct labor, and both variable and fixed overhead) in the cost of a product.

Variable Costing

A costing method that includes only variable production costs—direct materials, direct labor, and variable manufacturing overhead—in unit product costs.

Income From Operations

Earnings derived from a company's regular business activities, excluding revenues and expenses from non-operating activities.