Classify the Function as a Polynomial Function, Rational Function, or Root

question 152

Multiple Choice

Classify the function as a polynomial function, rational function, or root function, and then find the domain. Write the domain in interval notation.
- $$f ( x ) = \frac { 1 } { x ^ { 2 } + 6 x - 16 }$$

• A) rational function; \(( - \infty , - 8 ) \cup ( - 8,2 ) \cup ( 2 , \infty )\)
• B) rational function; \(( - \infty , \infty )\)
• C) rational function; \(( - \infty , 2 ) \cup ( 2 , \infty )\)
• D) rational function; \(( - \infty , - 8 ) \cup ( - 8 , \infty )\)

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