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arcticglalian is not online. arcticglalian
Joined: 21 Jul 2010
Total Posts: 6181
08 Oct 2013 12:22 AM
Suppose A = { x l x > -1} and B = {x l - 3 <- x <- 2}
Which statement is true?

choices:

A - A U = {}
B - A' = { x l x < - 1}
C - A (upside down U) B = { x l - 1 < x <- 2}
D - B (sideways U with a line under it) { x l x < 2}

btw, <- equals an inequality sign with a line under it, so it's equal to or less than

I'm a nice dude, with some nice dreams.
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fitemenub is not online. fitemenub
Joined: 26 Aug 2013
Total Posts: 9925
08 Oct 2013 12:23 AM
Divide it by zero.

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CoolMikeIsCool is not online. CoolMikeIsCool
Joined: 15 Apr 2012
Total Posts: 16104
08 Oct 2013 12:27 AM
∩( ・ω・)∩
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tart1337 is not online. tart1337
Joined: 18 Oct 2012
Total Posts: 722
08 Oct 2013 12:29 AM
oo set notations
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