Question

Determine AUB, Quando
a) A={xer/0 b) A={xer/x< 3} e B={-2 c) A=]2,5[e B=]1,4[
d) A=[-2,2[ e B=[0,+ ifinito

Determine A∩B,quando
a) A={xer/-1 b) A={xer/x[3} B={xer/1 C)A=[-3,1[ e B=]1,4[
D)A=]-ifinito,5] e B=]1,4[

ajuda ai gente

Answer 1

A)AUB: ao conjunto B ou seja {-2,-1,0,1,2,3,4}

B)AUB:{-3,-2,-1,0,1,2,3,4,5,6,7}