Let n(B) = 5 and n(AUB) = 7. (a) What are the possible values of n(A)? (b) If n(An B) = 0, what are the possible values of n(A)? (a) The possible value(s) for n(A) is/are (Use a comma to separate answers as needed. Use ascending order.) (b) The possible value(s) for n(A), when n(An B) = 0 is/are (Use a comma to separate answers as needed. Use ascending order.)

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