Posted by **Luc** on Sunday, October 2, 2011 at 1:48am.

What is the dormain and range of square root of x-5

- math -
**Steve**, Sunday, October 2, 2011 at 11:47pm
well, the radicand for sqrt(n) must be positive, so

x-5 >= 0

x >= 5

D = {x: x >= 5} or, [5,+oo)

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