Question

Determine AUB , são dados os conjuntos A={XEZ/-4 < x ≤ 2} B={XE IN/ x ≤ 3} C={XEZ/-2 < x <5} D={XEZ/3 ≤ x ≤ 8}

Answer 1

A={-3,-2,-1,0,1,2}
B={0,1,2,3}
AUB={-3,-2,-1,0,1,2,3}