Consider the following differential equation: d'y dx dy +4+4y=0 dx dy under the condition y x=; = 0 and (x=0)=-7. Which of the following option(s) is/are correct? dx y(x=0.2) = 0 y'(x=0.7) = 0 Oy 0 as x y(x) = 2(1-5x)e-x