Plot the region of the plane bounded by the graph of the equation 9 = 33/2 and the lines 9 = U and :r = 4. Find the volumes of the solids generated by revolving this regions about the given lines. (a) the :r-axis (b) the y-axis (e) the vertical line :0 = 4. Plot the region of the plane bounded by the graph of the equation 3; : 1n :5 and the lines y=0, 33:1, and 12:3. Find the volume of the solid generated by revolving this regions about the :raxis. Plot the region of the plane bounded by the graphs of the equations y=$2 and y=4:r:1:2. Find the volume of the solid generated by revolving this region about the line a: = 2