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**1. Homework Statement**

What is the laplace transform of H(-t-17)

**2. Homework Equations**

Shifting theorem:

L(H(t-a)) = (e^-as)/s

**3. The Attempt at a Solution**

This is the only part of the problem that I can not get (this part is from a larger differential equation I'm trying to solve). I'm can't seem to figure out how the Laplace transform changes if there is a negative sign in front of the t. I'm not sure if there are some properties of the Heaviside function that will allow me to solve this that I simply don't know and that we didn't go over in class.

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