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Mathematics 20 Online
OpenStudy (anonymous):

Choose the correct description of the graph of the compound inequality x - 3 < -11 or x + 5 =>14 A number line with a closed circle on -8, shading to the left, and an open circle on 9, shading to the right. A number line with an open circle on -8, a closed circle on 9, and shading in between. A number line with an open circle on -8, shading to the left, and a closed circle on 9, shading to the right. A number line with a closed circle on -8, an open circle on 9, and shading in between.

OpenStudy (anonymous):

I think it's the 2nd one

OpenStudy (anonymous):

do you know when to use open circle and when to use closed one?

OpenStudy (anonymous):

it is not the second one the shading is right, but you do not want the stuff between -8 and 9

OpenStudy (anonymous):

Open=Greater or less then Clossed= greater and equal to and less then and equal to.

OpenStudy (anonymous):

you have \(x<-8\) so everything to the left of -8 and open circle because of the \(<\) also \(x\geq 9\) so everything to the right of 9, because it means "x is greater than or equal to 9"

OpenStudy (anonymous):

yes you are right about open and closed circle, but you want everything to the left of -8 or to the right of 9, not what is in between

OpenStudy (anonymous):

3rd one?

OpenStudy (anonymous):

yes

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