$Q_6^{-}$

Find the Laplace transform $x(s)$ and the $RO{C}_{?}$ for the following signals $x(t)$ :

$x(t)=e^{-2t}u(t)+e^{-3t}u(t)$

$x(t)=e^{-3t}u(t)+e^{-2t}u(-t)$

$x(t)=e^{2t}u(t)+e^{-3t}u(-t)$

$x(t)=e^{-2t}[u(t)-u(t-5)]$