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Ill. Let R be the region below enclosed by the curves x = y- + 2y, x + 5y =0, and x =5. Set up (and do not simplify) the (sum of ) definite integral(s) equal to the following: 1. arc length of the portion of the curve x = y? + 2y which serves as a boundary of region R (2 points) (5, -1) (-1.-1) 2. area of R using vertical rectangles (3 points) R 3. volume of the solid generated when R is revolved about the line x - 5 using the method of disks/washers (4 points) (5, -1- 1/6)