The given family of functions is the general solution of the differential equation on the indicated interval. Find a member of the family that is a solution of the initial-value problem. y = c1 + C2...

Extracted text: The given family of functions is the general solution of the differential equation on the indicated interval. Find a member of the family that is a solution of the initial-value problem. y = c1 + C2 cos(x) + c3 sin(x), (-0o, ∞); y"' + y' = 0, У(л) %3D 0, у(л) %3D 9, у"(л) %— -1 = y =