Find the Specified Domain $( f g ) ( x )$

question 23

Multiple Choice

Find the specified domain.
-Find the domain of $( f g ) ( x )$ when $f ( x ) = \sqrt { 5 x + 4 }$ and $g ( x ) = \sqrt { 5 x - 6 }$

• A) \([ 0 , \infty )\)
• B) \(\left[ - \frac { 6 } { 5 } , \infty \right)\)
• C) \(\left[ \frac { 6 } { 5 } , \infty \right)\)
• D) \(( - \infty , \infty )\)

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Definitions:

Total Fixed Cost

The total of all costs that do not change with the level of production or sales activities within a company.

Purely Competitive Market

A market structure characterized by many buyers and sellers, no barriers to entry, and a homogeneous product, leading to the firms being price takers.

Total Cost

The complete amount of costs incurred by a business in the production of goods or services, including both fixed and variable costs.

Marginal Cost

The financial outlay required to produce an additional unit of a product or service.