Q10 of 65 Page 75

Let A = (1, 2, 3} and B = {4}

How many relations can be defined from A to B.


The number of relations from set A to set B =


n(A) = Number of elements in set A


n(B) = Number of elements in set B


Here,


n(A) = 3


n(B) = 1


Total number of relations =


= 8


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