The union of sets P = {9, 10, 11, 12, 13} Q = {4, 5, 6, 7, 8} is given by which of the following?


{4, 5, 6, 7, 8}

{9, 10, 11, 12, 13}

ø

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