A discontinuity is removable at a point x = a if the exists and this limit is finite.

There are two types of removable discontinuities:

1. The function is undefined at x = a.

2. The value of the function at x = a does not match the limit.

When a function has a removable discontinuity, it can be redefined to make it a continuous function.

The two functions previously studied can be redefined such that:

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