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Mathematics 21 Online
OpenStudy (anonymous):

Will Give Medal For Most Complete Answer! y = sqrt 3x+3

OpenStudy (anonymous):

OK, what's the question?

OpenStudy (anonymous):

y = sqrt(radical) 3x+3

OpenStudy (anonymous):

Yes, but what do you want to know? That's a perfectly valid equation, but you could ask any of hundreds of questions about it.

OpenStudy (anonymous):

oh right, im trying to figure out what the domain is

OpenStudy (anonymous):

3x+3>=0 3(x+3)>=0 x>=-3

OpenStudy (anonymous):

thanks, but thats not any of the answer choices and i kinda want know how to do it

OpenStudy (anonymous):

Is the root applied to (3x+3) or just 3x?

OpenStudy (anonymous):

yea, its over all of it

OpenStudy (anonymous):

OK, then @strenesmee had the right idea but poor execution. If the value under a radical is negative, there are no real solutions to the equation. That means that \[3x+3\ge0\]Solve for x and you have your domain.

OpenStudy (anonymous):

ohh ok so then i would get x >(=) -1 then

OpenStudy (anonymous):

Yup!

OpenStudy (anonymous):

ok thanks, you helped a bunch! i might need some help later on so ill link u in

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