Question

If A = {3, 5, 7, 9} and
B = {1, 2, 4, 6, 7, 9}
Find the intersection: A B.

A.
{1, 3, 5}

B.
{7, 9}

C.
{2, 4}

D.
{1, 2, 3, 4, 5, 6, 7, 9}

Answer 1

There was this mark between A and B

Answer 2

intersection means common elements so {7,9} is answer. since 7 and 9 are common to both

Answer 3

Ooooooh, I got it. thank you :)

Answer 4

your most welcome :)