Which of the following is the general solution of y′+y=3y' + y = 3y′+y=3?
y=3+Ce−xy = 3 + Ce^{-x}y=3+Ce−x
y=3+Cexy = 3 + Ce^xy=3+Cex
y=Ce−xy = Ce^{-x}y=Ce−x
y=3x+Cy = 3x + Cy=3x+C