The unit impulse response of a system is given as c(t) = -4e-t + 6e-2t – McqOptions

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1.	The unit impulse response of a system is given as c(t) = -4e-t + 6e-2t. The step response of the system for t ≥ 0 is equal to
A.	3e-2t + 4e-t + 1
B.	-3e-2t + 4e-t + 1
C.	-3e-2t + 4e-t – 1
D.	3e-2t – 4e-t + 1
Answer» D. 3e-2t – 4e-t + 1

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