what is the definition of an asymptote? the imaginary line that the function approaches but sometimes…

what is the definition of an asymptote? the imaginary line that the function approaches but sometimes crosses the imaginary line that the function approaches but never crosses the imaginary line that the function approaches but always crosses
Answer
Brief Explanations:
An asymptote is an imaginary line that a function approaches. It can be crossed in some cases, such as in rational - functions where the function may cross a horizontal asymptote.
Answer:
The imaginary line that the function approaches but sometimes crosses