Laplace Transform Initial Value Problem y' + 4y = f(t), y(0) = 0, where f(t) = {t, 0 <= t < 1 0, t >= 1}

Use the Laplace transform to solve the given initial-value problem. y' + 4y = f(t), y(0) = 0, where f(t) = {t, 0 <= t < 1 0, t >= 1}