Specify the Domain Of $( g \circ f ) ( x )$

question 55

Multiple Choice

Specify the domain of $( g \circ f ) ( x )$ for the pair of functions $f ( x ) = 5 x + 6$ and $g ( x ) = x ^ { 2 } + 3$ .

• A) \(( - \infty , \infty )\)
• B) \(( - \infty , 0 ] \cup [ 0 , \infty )\) \(( - \infty , 0 ) \cup ( 0 , \infty )\)
• C) \(( - \infty , 0 )\)
• D) \(( - \infty , 0 ) \cup ( 0 , \infty )\)
• E) \(( 0 , \infty )\)

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Definitions:

Indirect Costs

Costs that are not directly assignable to a specific product or project, such as rent, utilities, and managerial salaries.

Account Analysis

A detailed examination of the components of an account, usually to identify specific trends, costs, or areas of improvement within a business.

Variable Cost

Costs that vary directly with the level of production or output, such as raw materials and direct labor.

Fixed Cost

Costs that remain constant in total regardless of changes in the level of activity within a relevant range, such as rent, salaries, and insurance premiums.