Question

A={a,b,c,d,e} and B={1,2,3,4], then which of the following is a function from A to B *​

Answer 1

Answer:

f: A-B | {(a,1),(a,2),(a,3),(a,4),(b,1)(b,2),(b,3),(b,4),(c,1),(c,2),...,(e,1),(e,2),(e,3),(e,4)}