Question

A={x E R \ -2< x<6} , B= [-4,5 [ e C= ] 0, 8 [
Determine o resultado das seguintes operações:


a) A ∩B


b) A – B


c) B – C


d) C – B


e) B∩C

Answer 1

A= {-1,0,1,2,3,4,5} 
B= {-4,-3,-2,-1,0,1,2,3,4}
C= {1,2,3,4,5,6,7}

a) {-1,0,1,2,3,4}
b) {5}
c) {-4,-3,-2,-1,0}
d) {5,6,7}
e) {1,2,3,4}