Question 3: Determine the inverse Laplace transform f(t) for the following functions.(10 Points) a \dot{6} F(s)=\frac{2 s-4}{(s+2)(s+4)} b i F(s)=\frac{5 e^{-2 s}}{s}+\frac{12}{s^{2}}+\frac{8}{s+3}