Question

If the set A has 5 elements and the set B has 4 elements, then the number of functions can
be defined from A to B is​

Answer 1

Answer:

5.4=20 bcoz , let set A={A, B, C, D, E}

let set B={1,2,3,4}

(A,1) , (A,5) (A,3) (A,4) , (B, 1)....... and so on. then we get 20pais