If A = {1, 2, 3}, B = {x, y}, then the number of functions that can be – InterviewSolution

1.

If A = {1, 2, 3}, B = {x, y}, then the number of functions that can be defined from A into B is A. 12 B. 8 C. 6 D. 3

Answer»

Option : (B)

Since A has 3 elements and B has 2..

then number of functions from A to B

= 2\(\times\)2\(\times\)2

= 2³

= 8

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