Which of these functions satisfies the ODE y′=y−2y' = y - 2y′=y−2 and y(0)=1y(0) = 1y(0)=1?
y=2−ety = 2 - e^ty=2−et
y=1+ety = 1 + e^ty=1+et
y=2+ety = 2 + e^ty=2+et
y=1−ety = 1 - e^ty=1−et