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OpenStudy (anonymous):
OpenStudy (anonymous):
i think A
OpenStudy (studygurl14):
sorry, I am not sure.
OpenStudy (anonymous):
oh okay
OpenStudy (anonymous):
@cwrw238
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OpenStudy (anonymous):
-5<=x+6>=5
-11<=>=-1
The weird things about the choices given is that a and b are exactly the same, so it could be both of them. Did you notice that?
OpenStudy (anonymous):
no i didnt :o
OpenStudy (anonymous):
so it could be either
OpenStudy (anonymous):
well thank you again
OpenStudy (anonymous):
The only difference between them is the U in the middle. I would go with A, but you might want to talk with your teacher though, and you're welcome
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OpenStudy (studygurl14):
A ∩ B the unsidedown "u" means intersection. objects that belong to set A and set B.
For example. A{1, 2, 3, 4}, B{2, 4, 6, 8} A ∩ B = {2,4}
A ∪ B the "u" means union. objects that belong to set A or set B
Example: A{1, 2, 3}, B{3, 4, 5} A ∪ B = {1, 2, 3, 4, 5}
Hope this helps
OpenStudy (anonymous):
Well it will be the one with U then. A. thanks @StudyGurl14