The impulse response h (t) of a LTI system is given by h (t) = exp (-2 – McqOptions

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1.	The impulse response h (t) of a LTI system is given by h (t) = exp (-2t) u (t) where, u (t) denotes the unit step function. The output of this system to the sinusoidal input x(t) = 2 cos(2t) for all t, is _____________
A.	0
B.	2<sup>-0.25</sup> cos(2t-0.125 )
C.	2<sup>-0.5</sup> cos(2t-0.125 )
D.	2<sup>-0.5</sup> cos(2t-0.25 )
Answer» E.

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