Question 1 Consider the surface obtained by revolving the line y: 22 . 0 S: g 2 around the x-axis. Which of the following integrals computes the area of this surface? 2 f(2z)d:n 2 E[27(2- 1:)dz O O O 2 [21n/2wida: 0 O 2 [21:9 z)\\/da: a Question 2 . 233/2 Determine the arc length of the curve 3;: T for 0 g a: g 15. Question 3 A frustum of a cone has base radii 2 and 5 . and height h=4. What is the surface area of the frustum (n_ot including the top and bottom bases)