Use the method of undetermined coefficients to find a general solution to the system x'(t) = Ax(t) + f(t), where A and f(t) are given. 7 1 f(t) = 44 15 A = x(t)= 9.7.2 Use the method of undetermined coefficients to find a general solution to the system x'(t) = Ax(t) + f(1). where A and f(t) are given. - 4t -5 A= f(t)= 16 1 - 64t-9 x(t) =