Question

State if the following set is a finite set or an infinite set:

{x : x = 3n – 2,n ∈ Z, n ≤ 8}

Answer 1

{x : x = 3n – 2,n ∈ Z, n ≤ 8}

= {22, 19, 16, 13, 10, 7, 4, 1, -2, -5, ....}

It is infinite set.