Problem 16. [1 point] Compute the indefinite integral x2+5x+8 x (x2 + 4x + 8) d.x. A) -2 In (x| + ; arctan((x - 2) /2) + C B) In (x| + 2 arctan((2 + 2)/2) + C C) - In Jac| + arctan(x + 2) + C D) 2 In (x| + 4 arctan(x - 2) + C E) In lac| + ; arctan((2 + 2) /2) + C Problem 17. [1 point] Compute the integral x2 + 3 x -6 dx. 2 2 - 4 A) 4 - In(5) B) 2 + In(3) C) 3 - 2 In(7) D) 1 - In(5) E) 2 + In(2) Problem 18. [1 point] Let F(x) = Vest - 1 dt. Compute the length of the graph of y = F(x) for 0