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## Homework Statement

determine the inverse laplace transform f(t) of the function

## Homework Equations

F(s) = 3/s - (4e^-s)/s^2 + (5e^-2s)/s^2

## The Attempt at a Solution

i broke it up into the 3 part and got them seperatly which gave me

f(t) = 3 - 4u(t-1)(t-1) + 5u(t-2)(t-2)

Am i right sofar ?

but i'm not sure how to graph the function?all tips welcome