I don't have a clue what you mean by "roster form", never heard that expression.
Usually N is used to describe the set of natural numbers.
I would write your set as
{x | 14 < x < 19, x ∈ N}
Express the following in roster form:
Set M is the set of natural numbers between fourteen and nineteen.
2 answers
yea i was stuck on this one too....thank you though