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Precalculus/Functions as Models
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Definition of a Rational Function

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Which of the following best defines a rational function?
A

A ratio of two polynomials where the exponents must be positive integers and the denominator cannot equal zero

B

A ratio of two polynomials where the exponents must be negative integers and the denominator cannot equal zero

C

A ratio of two polynomials where there are no exponents and the denominator must equal 2

D

A ratio of two polynomials where the exponents must be positive integers and the denominator can equal zero

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