Question

5 Considere os conjuntos A = {1, 4.7) e B = {1, 3, 4, 5, 7, 8). É correto afirmar que:
AUB
a) A UB= (1,3,5,7.8}
b) AUB= (1.2.4.78)
C) AUB= (1,4,5,6,7,8)
) AUB={1.3.5.7.8.)
e) A UB= (13,4,5,7,8)​

Answer 1

C) AUB = {1,4,7} U {1,3,4,7,8} = {1,3,4,7,8}