Question

Let A = {red, yellow} and let B = {1, 2, 3}. Find A X B.
Answer
{(red, 1), (red, 2), (red, 3), (yellow, 1), (yellow, 2), (yellow, 3)}
{red, yellow, 1, 2, 3}
{ }
{1, 2, 3}

Answer 1

i picked the first one but im thinking its the 2nd

Answer 2

unless its a cross product

Answer 3

The second answer is \(A\cup B\), not \(A\times B\). \(A\times B\) is the direct product of A and B.

Answer 4

so the first one is correct

Answer 5

because its not aub