How do you write ''G is the set of of natural number that are less than 18'' in roster form? In setbuilder notation?

Question

anonymous · Answer

what is roster and setbuilder? G<18 is all I know

anonymous · Answer

thanks
but i mean it is like in roster form Ex {1,2,3} U {4,5,6}

anonymous · Answer

what is the U for? sorry

anonymous · Answer

U= Union the problem is 9th grade algebra

anonymous · Answer

i do not know how to do it. and i just started school

anonymous · Answer

never learned that. hmmm. sorry my algebra teacher lacked some knowledge, I have noticed this on several occasions.

anonymous · Answer

well thanks anyways :) ill still give u a medal.

anonymous · Answer

Thanks! Let me google it.

anonymous · Answer

x/x g < 18

anonymous · Answer

ok :)

anonymous · Answer

Thanks! @jonjenkins7653

anonymous · Answer

welcome can u plz put best response

anonymous · Answer

i have picked it. i dont know if it will let me pick 2 best responses :p

anonymous · Answer

"Roster notation means you just list every member in the set."

anonymous · Answer

Thanks

debbieg · Answer

In setbuilder, I think it would be:

$$\Large G=\left\{ n|n \in \mathbb{N}~\text{and}~n<18 \right\}$$

anonymous · Answer

Awesome!

anonymous · Answer

i might try your response.