Question: What does the term \'asymptote\' refer to in the context of the passage?

Options:

1. A line that a graph approaches but never touches.
2. A point where the function is undefined.
3. A maximum or minimum point of the function.
4. A point of inflection on the graph.

Correct Answer: A line that a graph approaches but never touches.

Solution:

An asymptote is a line that a graph approaches as it heads towards infinity, but the graph never actually touches it.