9 a If the curve y f x a x b is rotated about the horizontal

Last updated: 3/26/2023

9 a If the curve y f x a x b is rotated about the horizontal line y c where f x c find a formula for the area of the resulting surface b Set up an integral to find the area of the surface generated by rotating the curve y x 0 x 4 about the line y 4 Then evaluate the integral numerically correct to four decimal places