Let A and B be any two sets such that n(B) = p, n(A) = q then the tota – InterviewSolution

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1.	Let A and B be any two sets such that n(B) = p, n(A) = q then the total number of functions f : A → B is equal to __________.
Answer» Any element of set A, say x_i can be connected with the element of set B in p ways. Hence, there are exactly p^q functions.

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