Question

Which of the followiIf set A = {3, 4, 7, 9} and set B = {8, 9, 10, 11}, then A∪B is

Answer 1

Step-by-step explanation:

A={3,4,7,9}

B={8,9,10,11}

now,

AUB={3,4,7,9}U{8,9,10,11}

={3,4,7,8,9,10,11}

hope it helps.