with detailed solution clear photo

VII. Given a region R enclosed by the curves 1=1+ sin (). v=4_ (x-2)1 and a = 2 4 as shown below. Set up (and do not simplify) the (sum of) def- (2.4) inite integral(s) equal to the following: 1. Arc length of the curve y = 4 - (-2) . bor- dering the region R 2. Area of R using horizontal rectangles R 3. Volume of the solid generated when R is (2, 2 ) revolved about the line y = 4 using the method of washers (-2,0)