Question

Dados os conjuntos A={1,2,3,4}, B={x e z | x>-2} e C={-2,-1,0} determine:
1-AUB
2-B interceccao C
3-(B-A) interceccao C
4-(B-A) U (A-C)

Answer 1

1- {1,2,3,4, -1,0}
2- { -1 ,0}
3- {-1,0}
4- {-1,0,1,2,3,4}