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Mathematics 8 Online
OpenStudy (anonymous):

write the interval notation for the set {x1-1>x>-8} what would be the interval notation for this would it be (-8,-1]

OpenStudy (anonymous):

what does x1 mean?

OpenStudy (saifoo.khan):

x^1 i guess, lol.

OpenStudy (anonymous):

i think it would be (-8, x1-1)

OpenStudy (anonymous):

you use the square brackets only when it ends exactly at that point

OpenStudy (anonymous):

|dw:1316400382421:dw|

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