Q. 37 A system described by a linear, constant coefficient, ordinary, first order differential equation has an exact solution given by y(t) for t > 0, when the forcing function is x(t) and the initial condition is y(0). If one wishes to modify the system so that the solution becomes -2y(t) for t > 0, we need to
(A) change the initial condition to -y(0) and the forcing function to 2x(t)
(B) change the initial condition to 2y(0) and the forcing function to -x(t)
(C) change the initial condition to 
and the forcing function toj 
(D) change the initial condition to -2y(0) and the forcing function to -2x(t)
Answer: D
Explanation:
