Hi I need help with this calculus question. Thanks!

015 (part 1 of 4) 10.0 points Find the volume of the solid generated byrevolving the region bounded by the graph of: (1 = ', 12 =0. : = 2 a) about the r-axis. 016 (part 2 of 4) 10.0 points b) about the y-axis. 017 (part 3 of 4) 10.0 points c) about the liner = 4. 018 (part 4 of 4) 10.0 points d) about the line y = 8