The signal x(t) has a Laplace Transform X(s) = 5 / (s^2(s+1)), Re(s) > 0. (a) Find the LT of y1(t) = x(4t - 1). (b) Find the LT of y2(t) = te^-5t x(t). (c) Find the LT of y3(t) = integral from 0 to t of x(tau/4) d tau. (d) Find the initial and final values of the signal x(t), if they exist.