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OpenStudy (anonymous):
find domain f(x,y,z)= sqrt(y-z)
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OpenStudy (anonymous):
I think: x is any real number, and y >= z
OpenStudy (anonymous):
why can't it be z>=y?
OpenStudy (anonymous):
if z is more than y, then you have a square root of a negative number which is not real
OpenStudy (anonymous):
oooooo omgg why i didn't see that
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