Question

indentifique a lei de formaçao dos seguintes conjuntos A={100,200,300,400,500,600,700,800,90} B={-8,-7,-6,-5,-4,-3,-2,...10}

Answer 1

A = { x | x = n*100, para n ∈ N e 1 ≤ n ≤ 9}

B = { x | x ∈ Z e -8 ≤ x ≤ 10}