Question

I GIVE MEDALS!!!




If A = {negative integers} and B = {integers divisible by 3}, what is A ∩ B?

A.) {...−4, −3, −2, −1}
B.) { }
C.) {...−12, −9, −6, −3}
D.) {0}

Answer 1

cnt get on yahoo or wikianswers...

Answer 2

A U B = {1, 2, 3, 4, 5, 6, 7, 8, 9. 12, 15, }


The UNION of two sets is an OR operation, not an AND operation. If an element is in set A OR in set B, OR in both sets, then it is part of the resulting set.