A = {2, 4, 6, 8, 10} and B = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, what is A union B?

{2, 4, 6, 8, 10}
{1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 8, 8, 9, 10, 10}
{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
{ }

Question

A = {2, 4, 6, 8, 10} and B = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, what is A union B?
 	
	{2, 4, 6, 8, 10}
	{1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 8, 8, 9, 10, 10}
	{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
	{ }

carson889 · Answer

If you imagine a Venn Diagram, a union is the section in which both A and B would overlap. This is also know as A and B.  Therefore, you need to determine which numbers are in both sets. These numbers will form a new set that is the answer to your question.

anonymous · Answer

3rd choice?

ganeshie8 · Answer

$\large \color{Red}{\checkmark}$

ganeshie8 · Answer

second choice is also correct,
but 3rd choice is more correct..

zepdrix · Answer

I think you've got that backwards Carson :O

A and B = A intersect B (overlapping region),
A or B = A union B (overlapping plus A plus B),

zepdrix · Answer

But ya anyway c:
C as these guys have said!

carson889 · Answer

@zepdrix Your absolutely right, I had that backwards.

 A Venn Diagram of A or B would include A, B, and the space covered by both of them.