true because integers are all positive numbers, their opposites (negatives), and zero
Answer:
it's 4
Step-by-step explanation:
big brainnnnnnnnnn
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I am not familiar with Laplace transforms, so my explanation probably won't help, but given that for two Laplace transform

and

, then

Given that

and

So you have

From Table of Laplace Transform, you have

and hence

So you have

.
Hope this helps...
I think D is the correct answer.