Find the Domain of the Rational Function $$f ( x ) = \frac { x ^ { 2 } - 9 } { x ^ { 2 } + 9 x + 14 }$$

question 68

Multiple Choice

Find the domain of the rational function.
- $$f ( x ) = \frac { x ^ { 2 } - 9 } { x ^ { 2 } + 9 x + 14 }$$

• A) domain of \(f : ( \infty , - 3 ) \cup ( - 3,3 ) \cup ( 3 , \infty )\)
• B) domain of \(f : ( \infty , 2 ) \cup ( 2,7 ) \cup ( 7 , \infty )\)
• C) domain of \(f : ( \infty , - 7 ) \cup ( - 7 , - 2 ) \cup ( - 2 , \infty )\)
• D) domain of \(f : ( \infty , 0 ) \cup ( 0 , \infty )\)

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Definitions:

Heredity

The genetic transmission of traits from parents to offspring.

Predict

To declare or indicate in advance; especially, to foretell based on observation, experience, or scientific reasoning.

Determinism

The philosophical concept that all events, including moral choices, are completely predetermined by previously existing causes, implying a lack of free will.

Heredity

The genetic transmission of characteristics from parents to offspring.