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Question 343221: f(x)= sq root 8-x
Answer by haileytucki(390)   (Show Source):
You can put this solution on YOUR website! f(x)=~(8)-x
Pull all perfect square roots out from under the radical. In this case, remove the 2 because it is a perfect square.
2~(2)-x
The domain of the rational expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined.
All real numbers
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