Question

Let A = {1, 2, 3} and let B = {4, 5}. Find A X B.

{(1, 4), (1, 5), (2, 4), (2, 5), (3, 4), (3, 5)}
{1, 2, 3, 4, 5}
{ }
{1, 2, 3

Answer 1

AxB lists all the ordered pairs (a,b) that are possible

Answer 2

as such, only one option actually has ordered pairs

Answer 3

K soo the first one

Answer 4

yeah .... that one :)