Respostas

2013-04-04T19:30:53-03:00


a)
A = {x e N/ x<8}
A = {9}

b)
B = {y e N/ 1<y ,5} - imagino que seja {y e N/ 1<y<5}
B = {2,3,4}

c)
C = {z e Z / -3 <z<4}
C = {-2,-1,0,1,2,3}

d)
D = {m e Z/ m >-2}
D = {-1,0,1,2,3,4,5,6,7,8,9...}

1 5 1