Question

2) Sendo A = {3, 4, 5, 6, 7} e B = {5, 6, 7, 8, 9 ...}, determine: a)AUB


b)A∩B

Answer 1

a) { 3, 4, 5, 6, 7, 8, 9...}

b) {5, 6, 7}