Question

Let A = {1, 2, 3, 4, 5} and B = {2, 4}. What is A ∩ B?

{2, 4}

{1, 2, 3}

{1, 2, 3, 4}

{1, 2, 3, 4, 5}

Answer 1

what does \(\cap\) mean?

Answer 2

@JTsoccer

The key in knowing how to solve this problem is understanding what the symbol between the A and B means, do you know what this is, or do you need help?

Answer 3

need help

Answer 4

So that symbol means 'intersection'

We have to look at both number sets given and pick out all the numbers that are the same in both number sets. This is what that symbol means.