Let U = {0, 1, 2, 3, 4, 5,...}, A = {1, 2, 3, 4,...}, B = {4, 8, 12, 16,...}, and C = {2, 4, 6, 8,...}. Determine the following:

Question

A′ ∩ C

Answer 1

Are you looking for the intersection of sets A and C?

If A is all real numbers >/= 1
and C is all real EVEN numbers >/= 2

Then everything in C is in A and C is a sub set of A and C is itself the intersection of the two sets.

Answer 2

so confusing :(

Answer 3

Use Venn diagrams.

Answer 4

http://mathworld.wolfram.com/VennDiagram.html