Question

If S = {positive integers} and subset T = {positive integers divisible by 3}, what is T′?

A.) {3, 6, 9, 12, ...}
B.) {1, 2, 3, 4, 5, ...}
C.) {1, 2, 4, 5, 7, 8, ...}
D.) { }

Answer 1

T' is the complement of set T, that is, everything in the universal set,S that is NOT in T. What is everything in S that is not in T?

Answer 2

is it C?

Answer 3

You are correct. You got it!