math pre calculus
posted by loe .
Let A=(2,INF] and B=(2,INF). FIND:
a.)AUB
b.)A (UPSIDE DOWN "U")B
c.)A\B
d)B\A
*I was thinking a was (2,inf), b was (1,2), c was (1,1) and d was (2,inf) but i don't think that is right since i don't have a U in the answers.
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