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

question 197

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.
- $$f ( t ) = t ^ { 2 } + 2$$

• A) polynomial function; \(( \infty , \infty )\)
• B) polynomial function; \(( - 2 , \infty )\)
• C) polynomial function; \(( - \infty , - 2 ) \cup ( - 2 , \infty )\)
• D) polynomial function; \([ - 2 , \infty )\)

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