What is the Cartesian Product of A = 4, 8 and B = 9, 2, s?
1) (4, 8), (9, 2, s)
2) 4, 8, 9, 2, s
3) (4), (8), (9), (2), (s)
4) (4, 9), (4, 2), (4, s), (8, 9), (8, 2), (8, s)