Question

The function f has a domain of {1, 3, 5, 7} and a range of {2, 4, 6}.

Could f be represented by {(1,2), (3,4), (5,6), (7,2)}?
Justify your answer.

Answer 1

Hello,
Yes:
every element of the domain has 0 ou 1 image: it is a function.(surjective)