Question

If A C B, then A∩B = B?

Answer 1

its common so the statement is true?

Answer 2

sorry i got that diagram wrong!

Answer 3

A is 'inside' B not B inside A.

Answer 4

so is it true or is the statement A ∩ B = ∅?

Answer 5

so wwe want elements in BOTH A and B.

Answer 6

Its neither B or the empty set

Answer 7

is it this one AB = B?

Answer 8

No we want A∩B - - this contains elements common to BOTH A and B

Answer 9

Look at the 2 dots in A - are they in B as well?

Answer 10

Yes they are.

Answer 11

the dots aren't in B

Answer 12

because A is a subset of B

Answer 13

A subset is a set within a set

Answer 14

so is this answer A∩B = B correct?

Answer 15

NO because there are elements in b WHICH ARE NOT IN a

Answer 16

so its zero?