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The function F has a removable discontinuity at?

A function f has a removable discontinuity at x = a if the limit of f(x) as x → a exists, but either f(a) does not exist, or the value of f(a) is not equal to the limiting value. If the limit exists, but f(a) does not, then we might visualize the graph of f as having a “hole” at x = a.

Def is a scalene triangle