B. Eliminate the arbitrary constants in the equation y = qir + car + sin r. Express your final answers in the form from highest to lowest order of derivatives. C. Use the the given that ? = is a one-parameter family of solutions of y' = y - y to find a solution of the initial value problem consisting of the given differential equation and initial condition, 1 y(0) = , D. Use the the given that a = c cost + c, sint is a two-parameter family of solutions of r" + r = 0, dx where I' = it , to find a solution of the initial value problem consisting of the given differential equation and the initial conditions r(0) = -1, r'(0) = 8 E. Determine a region of the ry-plane for which the given differential equation (4 -y')y' = x' would have a unique solution whose graph passes through a point (Zo, yo) in the region