How to determine whether a function is continuous or discontinuous? – f(c) must be defined. The function must exist at an x value ( c ), which means you can’t have a hole in the function (such

In order for f to be continuous at 1, we need to see if. lim x → 1 f ( x) and f ( 1) both exist and are equal. To do so, compute the limit from the left, the limit from the right, and f ( 1).

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