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September 16, 2014

September 16, 2014

Posted by **Arielt** on Monday, March 1, 2010 at 5:16pm.

square root of x-9 =y

show work

- Precalculus(URGENT) -
**Reiny**, Monday, March 1, 2010 at 5:19pmy = √(x-9)

Remember we can't take √ of a negative.

What values of x would make x-9 negative?

Domain would be all those values which make it either positive or zero.

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