Question

Sejam os conjuntos a=[x e r/-4≤x<3] e b=[x e r(-2≤x<5) A-B é igual a??? 

Answer 1

a= {-4,-3,-2,-1,0,1,2}
b={-2,-1,0,1,2,3,4}

A-B= {-4,-3}
item a) {x e r / -4 ≤x<-2}