document.write( "Question 61825: Please help me find the Domain of \n" );
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Algebra.Com's Answer #42578 by venugopalramana(3286)![]() ![]() You can put this solution on YOUR website! Please help me find the Domain of p(x)= 2x+1/6x^2+3x-30 \n" ); document.write( "PLEASE USE BRACKETS PROPERLY..DO YOU MEAN.. \n" ); document.write( "P(X)=[2X]+[1/6X^2]+[3X-30]...IF SO THERE IS ONLY ONE CRITICAL TERM WHICH COULD \n" ); document.write( "MAKE THE FUNCTION UNDEFINED..IT IS 1/6X^2...IT IS NOT DEFINED FOR X=0 \n" ); document.write( "HENCE DOMAIN IS ALL REAL VALUES EXCEPT ZERO. \n" ); document.write( "IF YOU MEANT \n" ); document.write( "P(X) = 2X+[1/(6X^2+3X-30)]..THEN THE CRITICAL TERM IS \n" ); document.write( "1/(6X^2+3X-30)= 1/[3(2X^2+X-10)] =1/[3(X-2)(2X+5)] \n" ); document.write( "SO THE FUNCTION IS UNDEFINED AT X=2 AND -5/2 \n" ); document.write( "HENCE DOMAIN IS ALL REAL NUMBERS EXCEPT 2 AND -5/2...THAT IS \n" ); document.write( "(-INFINITY,-5/2)U(-5/2,2)U(2,+INFINITY) \n" ); document.write( " |