14. Let & be a positive constant. Which of the following is a logistic differential equation? [A) 2 = ki dt ay = ky di dy = 17 (1 - 1) (C) di (D) = ky(1-1) 5) Let y= f(x) be the solution to the differential equations =xty with the initial condition f(1)=2. What is the approximation for f(2) if (B) = ky(1 -y) Euler's method is used, starting at x=1 with a step size of 0.57 (A) 3 (B) 5 (C) 6 (D) 10 (E) 12 14) Shown above is a slope field for which of the following differential equations? (A) dy X dx (B) dy dx