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Choose the correct option.
If A = {1, 2, 3}, B = {x, y}, then the number of functions from A to B is:
If $A = \{1, 2, 3\}$, $B = \{x, y\}$, then the number of functions from $A$ to $B$ is:
- (a)3
- (b)6
- (c)8
- (d)12
Answer
Answer
Correct option: (c)
Answer: (c) 8
Each of the 3 elements of $A$ has 2 choices of image in $B$, so the number of functions is $2^3 = 8$.