Find the Domain of the Rational Function $$f ( x ) = \frac { x + 7 } { x ^ { 2 } - 4 x }$$

question 403

Multiple Choice

Find the domain of the rational function.
- $$f ( x ) = \frac { x + 7 } { x ^ { 2 } - 4 x }$$

• A) \(\{ x \mid x \neq 0 , x \neq 4 \}\)
• B) \(\{ x \mid x \neq - 2 , x \neq 2 , x \neq - 7 \}\)
• C) all real numbers
• D) \(\{ x \mid x \neq - 2 , x \neq 2 \}\)

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Definitions:

Production Possibilities Curves

A graphical representation that shows the maximum possible output combinations of two goods or services an economy can produce given its available resources and technology.

Comparative Advantage

The proficiency of either a person, a company, or a country in crafting a good or providing a service, which comes at a lesser opportunity cost than that offered by rival parties.

Domestic Demand

The total demand for goods and services within a country's borders.