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Introduction to Functions, Graphs, And Limits - At A Glance:

Vertical asymptotes occur where a function f(x) has a limit of infinity - that is, at values of a for which

We can also take limits as x goes to ∞ or -∞, written

These limits look at where the function f(x) is attempting to reach. Before we go into more depth with the function side of things, we'll look at some silly examples.

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