Write the Word or Phrase That Best Completes Each Statement $f ( x ) = \frac { p ( x ) } { q ( x ) }$

Short Answer

Write the word or phrase that best completes each statement or answers the question.
Provide the missing information.
-The domain of a rational function defined by $f ( x ) = \frac { p ( x ) } { q ( x ) }$ is all real numbers excluding the zeros of
.