17. If A= 1,3,5,7,9 and B= 2,4,6,8 what is th e intersection of s et A and B? __

The intersection of set A and B is the set of elements that are common to both A and B. In this case, there are no elements that are common to both set A and set B. Therefore, the intersection of set A and B is an empty set, denoted as ∅.