v U (1) (a) The functions 3,; = 2LE+1 and 3y 2 :L'3+3$2 +73: meet at (1, 1), (1,3) , and (3, 7). Set up (but do not evaluate) an integral (or a sum of integrals) to calculate the area of the region between them. Do not use absolute values. A (b) The functions :1: : 2y+ 1 and 32: = 3,;r3+3y2 +73; meet at (1,1), (3,1), and (7,3). Set up (but do not evaluate] an integral (or a sum of integrals] to calculate the area of the region between them. Do not use absolute values. y