document.write( "Question 404007: what is the domain of the rational function f(x)=x/x^3-125 \n" ); document.write( "
Algebra.Com's Answer #285571 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! what is the domain of the rational function f(x)=x/x^3-125 \n" ); document.write( "---- \n" ); document.write( "The denominator cannot zero \n" ); document.write( "Solve by factoring: \n" ); document.write( "x^3-125 = (x-5)(x^2+5x+25) = 0 \n" ); document.write( "x = 5 or x = [-5+-sqrt(25-100)]/2 \n" ); document.write( "Only x = 5 is a Real Number. \n" ); document.write( "---- \n" ); document.write( "Domain: All Real Numbers except x = 5. \n" ); document.write( "----- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "========= \n" ); document.write( " |