An asymptote is a line or curve that approaches a given curve arbitrarily closely, as illustrated in the above diagram.

The plot above shows , which has a vertical asymptote at and a horizontal asymptote at .

An asymptote is a line or curve that approaches a given curve arbitrarily closely, as illustrated in the above diagram.

The plot above shows , which has a vertical asymptote at and a horizontal asymptote at .

Weisstein, Eric W. "Asymptote." From *MathWorld*--A Wolfram Web Resource. https://mathworld.wolfram.com/Asymptote.html