Question

If A = {…−6, −4, −2} and B = {1, 2, 3, …}, what is A ∩ B?

{1, 2, 3, …}

{…−6, −4, −2, 1, 2, 3, …}

{ }

{…−6, −4, −2}

Answer 1

Well, A and B means you have to pick numbers that occur in BOTH sets. In which case there are no numbers occuring in both sets :3 That upside down U means and and basically tells you both.

Answer 2

i dont get it