Which of the following is the best definition of an asymptote of a graph?

3 answers

An asymptote of a graph is a straight line that a curve approaches but never touches or crosses, as it extends to infinity.
The answers are,
an intercept of a graph
the maximum possible value of a graph
an excluded value of the function shown in the graph
a line that the graph approaches but does not touch
a line that the graph approaches but does not touch