document.write( "Question 172557: I need to find the domain of this function if you can help
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document.write( "f(x)=x^2-81/x^2-8x+15 \n" );
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Algebra.Com's Answer #127426 by Mathtut(3670) ![]() You can put this solution on YOUR website! x is undefined if \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the domain is all real numbers excluding |