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Mathematics 7 Online
OpenStudy (anonymous):

Give the least upper bound of {x:|x-1|<2} How do I do this?

OpenStudy (anonymous):

I'm not sure what that means...

OpenStudy (2bornot2b):

(-1,3) this open interval is the set

OpenStudy (2bornot2b):

So lub is 3

OpenStudy (anonymous):

oh that makes sense. thank you!

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