Question

If P = {positive integers} and subset T = {positive integers divisible by 3}, what is T'?

A {1, 2, 4, 5, 7, 8, 10, 11, 13, 14, …}
B {3, 6, 9, 12, …}
C {1, 2, 3, 4, …}
D { }

Answer 1

I'd go with B because those are the choices divisible by 3

Answer 2

Who said it was A?

Answer 3

Someone I know

Answer 4

Okay thanks. I'm gonna go with B.