Problem 5. (1 point) Using disks or washers, find the volume of the solid obtained by rotating the region bounded by the curves y = sec(x), y = 1, x = -1, and x = 1 about the x-axis. Volume =_ Answer(s) submitted: (incorrect) Problem 6. (1 point) Find the volume of the solid formed by rotating the region inside the first quadrant enclosed by y=x, y= 25x about the x-axis. Volume =. Answer(s) submitted: (incorrect) Problem 7. (1 point) Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y= x,y =0,x = 1, about the y-axis Answer(s) submitted: (incorrect) Problem 8. (1 point) Using disks or washers, find the volume of the solid obtained by rotating the region bounded by the curves y = x7/3, x = 1, and y =0 about the y-axis. Volume = Answer(s) submitted: (incorrect)