Find the Domain of the Given Function $$f ( x ) = \sqrt { 5 x + 25 }$$

question 30

Multiple Choice

Find the domain of the given function.
- $$f ( x ) = \sqrt { 5 x + 25 }$$

• A) all real numbers \(x\) where \(x \geq 5\)
• B) all real numbers \(x\) where \(x > 5\)
• C) all real numbers \(x\) where \(x \geq - 5\)
• D) all real numbers \(x\) where \(x > \frac { 1 } { 5 }\)

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Definitions:

Diseconomies of Scale

The phenomenon where, as a firm expands, its costs start increasing per unit of output, usually due to inefficiencies and management challenges that arise with size.

Diminishing Returns

A principle stating that as investment in a particular area increases, the rate of profit from that investment, after a certain point, cannot continue to increase and may decrease.

Natural Monopoly

A market structure where a single provider is more efficient in supplying the entire market with a product or service, due to high fixed or startup costs.