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Algebra 19 Online
OpenStudy (anonymous):

determine the domain of the given functions 6)x+1/x2+8x+15 7)(square root)4x+20 8)x^3+3x^2-7x+127

OpenStudy (anonymous):

You have to search for those values in which your functions gets indeterminated, polinomes are always continous, so their domain is R, square roots must be>= to 0, denominators can't be 0...

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