document.write( "Question 629673: Find the inverse of f(x)=3x+1\n" ); document.write( " \n" ); document.write( "
\n" ); document.write( "Hi,\n" ); document.write( "f(x)=3x+1\n" ); document.write( " y = 3x + 1\n" ); document.write( "Finding y'\n" ); document.write( " x = 3y + 1\n" ); document.write( " (x-1)/3 = y'