region in two ways a Using integration with respect to x b Using geometry OC 2 6 x dx 0 OD 6 S 0 6 x x dx b Using geometry which would be the appropriate set up for the area OA A 2 6 3 1 OB A 1 2 6 6 6 3 c A OD A 2 6 6 The area of the shaded region is