C. [10 pts] The region R is bounded on the left; and right by 9:2 y2 : 144, above by a: + 419' : 48, and below by y : 0. R is revolved about the line :1: = 2022 to form a solid of revolution. If the washer method is used, determine the minimum number of integrals needed to express the volume of the solid. 1 2 3 4 more than 4 None of these Explanation