Which of these functions is the solution to dydx=−2y\frac{dy}{dx} = -2ydxdy=−2y passing through (0,3)(0, 3)(0,3)?
y=3e−2xy = 3e^{-2x}y=3e−2x
y=e−2x+2y = e^{-2x} + 2y=e−2x+2
y=2e−3xy = 2e^{-3x}y=2e−3x
y=−2e3xy = -2e^{3x}y=−2e3x