Question

If A = {positive integers} and B = {negative integers}, what is A ∩ B?

{ }

{…, −3, −2, −1, 1, 2, 3 …}

{1, 2, 3, 4 …}

{…−3, −2, −1}

Answer 1

The last one! ;)

Answer 2

i think its first one

Answer 3

A - and a + = all -

Answer 4

since there are no elements common to both sets

Answer 5

O I C so ya i ques it would be the first one kewl