Describe the largest set S on which it is correct to say that f is continuous.f(x, y) = tan (x + y) 

A. Entire plane
B. {(x, y): x + y ?  , where n is an integer}
C. {(x, y): (x, y) ? (0, 0)}
D. {(x, y): (x, y) ?  }


Answer: B

Mathematics

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A.

B.

C.

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