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I feel like it would be either the first or the second option because of the 1

the domain is the set of x values

So -3 and 1?

open circle does not include the end point
closed circle/ shaded includes the end point

So the x values (domain) would include: -3, -1, 1 etc.?

domain all the values of x that will produce a y value

yes

open does not include

I'm really confused now. Because the circle is open, do I disregard that -3 then?

-3 will be the end point
open does not include
therefore the x is greater than -3

So because its open, X always will be greater and not greater than or equal to?

correct

Yay! Alright thank you and have a good night (:

Wait a sec

If the circle on -3 was closed would that mean that X would equal less than -3?

Or less than or equal to

by the same principle you would include 1 because shaded

So less than or equal to? Right?

|dw:1436677169210:dw|

Tat clears everything up now!

|dw:1436677239034:dw|

you are welcome

Alright. Thank you :)

closed eyes include sleep. goodnight