\fUse the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the x-axis. x = 7y-y, x=0 O A. 2401 3 O B. 2401 12 O c. 2401 6 O D. 343 6\fFind the area of the specified region. Inside the graph of r = 1 + cos 30 O A. 2 3 O B. + 2 8 O C. 3x O D. 3x+Find the area of the specified region. Shared by the circle r=6 and the cardioid r =6(1 + sin 0) OA. O O B. 9(5x + 8) O C. 9(5T - 8) O D. 36Find the slope of the polar curve at the indicated point. r= 4(1 + cos0), 0= - 4 O A. 13 3 O B. 412 O C. 1- 12 OD. - 2