Question

can some explain this question, helper will get a medal, question will be in the comments

Answer 1

what does \(A\subseteq B \) mean?

Answer 2

@arbyj

To help you get started,

For #1, there is the phrase "If A is a subset of B"

Looking at the options, the only one that makes sense is, then A Union B = B.

That is because the elements of set A are in set B.

1. C

Answer 3

@Directrix so as for 2, would it be a?

Answer 4

?

Answer 5

No.

If B is a subset of A, then A intersect B = B. That is option E. @arbyj