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Mathematics 7 Online
OpenStudy (anonymous):

so we need to find domains... we have y= x^2 +8x + 12 over 4rootx+5 the top factors out to be (x+6)(x+2) but I do not know what to do with the bottom unless it's just x greater than or equal to -5, and the answer is -infinity to -5? anybody know how to do this to find the domain?

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