Mathematics

Problem

The domain of a rational function

f(x)=\dfrac{P(x)}{Q(x)}

, where

P(x)

and

Q(x)

are polynomials and

Q(x)

is not the zero polynomial, is a) all real numbers such that

P(x)\neq0

b) all real numbers c) all real numbers such that

Q(x)\neq0

d) all real numbers such that

Q(x)=0