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OpenStudy (anonymous):
domain of the functions square root(x^2 - 2x-8) and the function x/(4th root(9-x^2). please i need to check my answers
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OpenStudy (precal):
domain of x^2-2x-8 is all reals since it is a quadratic|dw:1345067103567:dw| that is what it looks like
OpenStudy (anonymous):
that whole function is squareroot
OpenStudy (precal):
|dw:1345067209826:dw| like this?
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