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Mathematics 18 Online
OpenStudy (anonymous):

what is the domain of y= 3/ (sqrt x-1)

OpenStudy (tkhunny):

x-1 > 0

OpenStudy (anonymous):

thanks!

OpenStudy (tkhunny):

Why is that correct?

OpenStudy (anonymous):

not sure. maybe.

OpenStudy (tkhunny):

Something in the denominator may not be zero. Something in a square root must not be negative.

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