document.write( "Question 67254: If f(x) = (2x+1)/(x-3), then find f-1(x):\r
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document.write( "Write in the form (no spaces): y=f^(-1)(x)=(mx+b)/(x-c) \n" );
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Algebra.Com's Answer #47816 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! If f(x) = (2x+1)/(x-3), then find f^-1(x): \n" ); document.write( "Interchange x and y to get: \n" ); document.write( "x=(2y+1)/(y-3) \n" ); document.write( "Solve for y as follows: \n" ); document.write( "xy-3x=2y+1 \n" ); document.write( "xy-2y=3x+1 \n" ); document.write( "y(x-2)=3x+1 \n" ); document.write( "y=(3x+1)/(x-2) \n" ); document.write( "--------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Write in the form (no spaces): y=f^(-1)(x)=(mx+b)/(x-c) \n" ); document.write( "f^-(x) =(3x+1)/(x-2) \n" ); document.write( "---------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |