[填空题]
The graph of y=f(x) is obtained from the gr h;5kin vzzx /.rxvl0(of77wman 7) mw h1b5ru9i8zpk2bwcq(mph of $y=\ln x $ by a horizontal translation 3 units in the negative x direction and a vertical translation $\ln 6$ units in the positive y direction
1. Find f(x) .
2. The region bounded by the graph of y=f(x) and the two axes is rotated through $2 \pi$ radians about the y -axis. Find the volume generated.