A discontinuity is any point on a function where one of the three possibilities arise:

- The right-side limit is unequal to left-side limit
- The function jumps suddenly
- The function goes to infinity at a certain point in the domain.

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A discontinuity is any point on a function where one of the three possibilities arise:

- The right-side limit is unequal to left-side limit
- The function jumps suddenly
- The function goes to infinity at a certain point in the domain.