1. ## help about Laplace transformation

hi,

can anyone tell me what is the answer for this equation

f(t) = (e^-3t) (4t)

thanks

You're expected to be familiar with the Shifting Theorem: $LT\left[ e^{-\alpha t} f(t)\right] = F(s - \alpha)$ where $F(s) = LT[f(t)]$.