document.write( "Question 436181: Find f-1(x) for f(x) = 2x+1/x-3, where x does not equal 3. \n" ); document.write( "
Algebra.Com's Answer #301775 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Find f-1(x) for f(x) = 2x+1/x-3, where x does not equal 3. \n" ); document.write( "---- \n" ); document.write( "f(x) = (2x+1)/(x-3) \n" ); document.write( "--- \n" ); document.write( "1st Interchange x and y: \n" ); document.write( "x = (2y+1)/(y-3) \n" ); document.write( "--- \n" ); document.write( "2nd Solve for \"y\": \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( "===================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============= \n" ); document.write( " |