(1 point) Solve the initial value problem y" - 10y' + 25y = test + 9, y(0) =1, y'(0) =1. y(t) = ((15651/24025) -346t/155)e^(5t)+(t/31 -11/961)e^(5(1 point) Solve the initial value problem y" + 25y = 8 sin 5t, y(0) =7, y'(0) =5. y ( t )