In Laplace transform, multiplication by e-at in time domain becomes

In Laplace transform, multiplication by e^-at in time domain becomes

[A].	translation by a in s domain
[B].	translation by (-a) in s domain
[C].	multiplication by e-as in s domain
[D].	none of the above

Answer: Option A

Explanation:

£e^-at f(t) = F(s + a).