If A = {black, pink} and B = {red, orange, yellow, green, blue, indigo, violet}, what is A B?

{black, pink}
{red, orange, yellow, green, blue, indigo, violet, black, pink}
{all colors except black and pink}
{ }

Question

If A = {black, pink} and B = {red, orange, yellow, green, blue, indigo, violet}, what is A  B?
 	
	{black, pink}
	{red, orange, yellow, green, blue, indigo, violet, black, pink}
	{all colors except black and pink}
	{ }

zzr0ck3r · Answer

A B ?

anonymous · Answer

{red, orange, yellow, green, blue, indigo, violet, black, pink}

anonymous · Answer

What subject is this?

zzr0ck3r · Answer

$A\cap B\A\cup B\A \times B$

?

zzr0ck3r · Answer

@1lorax2 it is math, this is basic set theory stuff

zzr0ck3r · Answer

@bram how can you answer that without knowing th eoperation....lol

zzr0ck3r · Answer

your answer is right if its union, but wrong if intersection...

anonymous · Answer

no it means AB together

zzr0ck3r · Answer

AB together would then be the direct product, and would be ordered pairs

zzr0ck3r · Answer

no options are ordered pairs, you answered $A\cup B$

anonymous · Answer

?

zzr0ck3r · Answer

@kylieedeckahh please dont post other questions when we are asking for clarification here....

zzr0ck3r · Answer

AB does not make sense....

anonymous · Answer

i got an answer, i choose b. is that correct? @Bram @zzr0ck3r

anonymous · Answer

yes

zzr0ck3r · Answer

again for the 4th time, we cant tell you the answer unless you tell us the operation @bram is assuming that AB implies unoin which it does NOT. But if the question is A U B then yes else no

anonymous · Answer

yes it is > @Bram @zzr0ck3r

zzr0ck3r · Answer

then yes

zzr0ck3r · Answer

ahh weird @Bram  it was A U B the whole time.....