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Boundary at a point HTML5


This animation illustrates two limit case studies:

  1. A function tends toward a limit at a point.
  2. A function does not have a limit at a point.

Click and then slide the horizontal lines (tab 1) or the vertical lines (tab 2).

Learning goals

  • To understand the concept of limits defined and undefined at a point.

Learn more

Let f be a function defined on the subset of real numbers. a is a value in the range of f.

f has a finite limit ℓ as x approaches a, means that there is a real ε and a real α such that the…

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