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posted by Anonymous Friday, February 3, 2012 at 12:51pm.
find the domain of f (x) =2X^3-7/x^3-27 ?
the domain is all reals except where the denominator is zero x^3 - 27 = 0 (x-3)(x^2+3x+9) = 0 so the domain is all reals except x=3
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