Question: Suppose that Q(x, y) is a function such that 1/Q(x, y) is continuous for all (x, y). Which of the following statements are true? (a)

Suppose that Q(x, y) is a function such that 1/Q(x, y) is continuous for all (x, y). Which of the following statements are true?

(a) Q(x, y) is continuous for all (x, y).
(b) Q(x, y) is continuous for (x, y) ≠ (0, 0).
(c) Q(x, y) ≠ 0 for all (x, y).

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