document.write( "Question 87183: Find the domain of rational function: (2x+1)/(x-5)+1/(x+7)\r
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Algebra.Com's Answer #63109 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
A is correct as those values would cause a zero in the denominator.
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\n" ); document.write( "Stan H.
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