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I have a few questions that I'm not sure how to go about doing? This is...

I have a few questions that I'm not sure how to go about doing? This is what I was asked:

Use the table of transforms, linearity, and s-shifting to find F(s) = L (f(t)) for each of the following functions. Write the result as a rational function P(s)/Q(s).

1) f(t) = −4 + e^(−t)

2) f(t) = e^(4t) − 10 + sin t

3) f(t) = cos(2t − 5) (Hint: use the identity cos x ± y = cos x cos y ∓ sin x sin y.)

4) f(t) = e^(−2t) sin(3t)

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