Question

Represente o conjunto formado pelos possíveis valores de de x em cada item x∈|N e x≤ 44

Answer 1

X ∈ N = {0,1,2,3,4,5,6,7,...}
X ≤ 44 = {44,43,42,41,40,..}
X ∈ N e X ≤ 44 = {44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0}