Let A = {x : 6 x 13}, B = {x : 2 x 8}, and the universal set, U = {x : 1 x 20}. Which of the following is the set A B?

Group of answer choices

{2, 3, 4, 5, 6, 7, 8}

{2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}

{2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20}

{8, 9, 10, 11, 12, 13}