Posted by **Jen** on Sunday, July 10, 2011 at 11:13pm.

Express the following in roster form:

Set M is the set of natural numbers between fourteen and nineteen.

- Math -
**Reiny**, Sunday, July 10, 2011 at 11:19pm
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}

- Math -
**Jen**, Sunday, July 10, 2011 at 11:20pm
yea i was stuck on this one too....thank you though

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