Assume f is a nonnegative function with a continuous first derivative on a b The curve y f x on a b is revolved about the x axis Explain how to find the area of the surface that is gen What is the area of the surface generated when the graph of f on the interval a b is revolved about the x axis O A To find the area of the surface that is generated evaluate the integral S 2x x 1 F x dx B To find the area of the surface that is generated evaluate the integral S OC To find the area of the surface that is generated evaluate the integral S OD To find the area of the surface that is generated evaluate the integral S b x 1 x 1 P x dx b 2x 1 f x dx a Sz f x 1 f x dx a