Question: Let f be a realvalued function whose domain is a subset of R. Show f is continuous at 9:0 in dom( f) if and only

Let f be a realvalued function whose domain is a subset of R. Show f is continuous at 9:0 in dom( f) if and only if, for every sequence (sen) in doin(f) \\ {9:0} converging to :30, we have limf(3:n) = f(a:0)

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