SOLUTION: {{{y= sqrt(9x-1) }}} i have to find the domain

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Question 481937:
i have to find the domain

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Recall that you cannot take the square root of a negative number. So this means that the radicand (the stuff inside the square root) MUST be zero or positive.


So this means that


Start with the given inequality.


Add to both sides.


Combine like terms on the right side.


Divide both sides by to isolate .


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Answer:


So the domain is (basically, x is any number greater than or equal to )


The domain in interval notation is [)


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