Approaching x means getting closer and closer to the value of x without actually reaching it.
Topic 1.4: 1.4 Estimating Limit Values from Tables
Approaching x cheat sheet for homework
A limit describes the behavior of a function as its input approaches a certain value or infinity.
An asymptote is a line that a graph approaches but never touches.
Convergence refers to when a sequence or series approaches and gets arbitrarily close to some value.