Question

Let set A = {1, 3, 5, 7} and set B = {1, 2, 3, 4, 5, 6, 7, 8}

Which notation shows the relationship between set A and set B?

A ∪ B

A ⊆ B

A ∩ B

B ⊆ A

Answer 1

Either the second or fourth option. Fourth is "included in"???

Answer 2

What do you mean included in?

Answer 3

B is included in (is part of) A