Questions 10- 15. Region R, shown at right, is bounded byf (x ) = sin (x) and g(x) =x3 - x3 - 4x. Find the volume of the solids formed whose cross sections are the shapes indicated below. Each cross section is perpendicular to the x-axis. [Calculator active] -1 y - 8(x) 10. Square 11. Semi-Circle yd bebnous at 12. Equilateral Triangle 13. Isosceles Right Triangle Log site boil .A 14. Rectangle with height h = 3 15. Rectangle with height equal to twice the base.Questions 16 - 17. Find the volume of the solid whose base is bounded by x = 6 - 2y, x = 0, and y = 0 with the indicated cross section taken perpendicular to the y-axis. [No calculator] 16. Square 17. Quarter-Circle hall the 18. Region R, shown at right, is bounded by f(x) = e-* and g(x) = 1 - cos x . Find the volume of the solid formed whose cross y g(x) sections are quarter circles that are perpendicular to the x-axis. [Calculator active] A. Find the points of intersection for the figure. J R(x) B. Write the integral for the volume of the solid. C. Find the volume of the solid generated