Question

PVF me ajudem

(Cefet-MG) sendo A = ] -∞; 3 ], B = [ - 2; 0 [ e C = { x ∈ IR| x >0}.

Answer 1

A= { 2,1,0,-1,...}

B={ -1,0 }

c= { 1,2,3,4,...}