9x +7, 25-1 Let f (x) = Find a and b ar' + bx, *> -1 such that fis continuous and differentiable on (-00, 00). O A. a = 0, b = 2 O B. a= b = 19 3 O C. a = 2, b =4 O D. a = -7,b=-5 O E. a =- 10 316 =