Question

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

{…−4, −3, −2, −1}

{ }

{…−12, −9, −6, −3}

{0}

Answer 1

A ∩ B = set of everything in BOTH sets A and B

A ∩ B = set of negative integers AND integers divisible by 3

A ∩ B = set of negative integers divisible by 3

A ∩ B = ???

So what's the last step

Answer 2

the third choice defenitely