The impulse response h (t) of an LTI system is given by e-2t.u(t) . What is the step response?

y(t) = 1⁄2 (1 – e-2t) u (t)

The impulse response h (t) of an LTI system is given by e-2t.u(t) . W

1.	The impulse response h (t) of an LTI system is given by e-2t.u(t) . What is the step response?
A.	y(t) = 1⁄2 (1 – e-2t) u (t)
B.	y(t) = 1⁄2 (1 – e-2t)
C.	y(t) = (1- e-2t) u (t)
D.	y(t) = 1⁄2 (e-2t) u (t)
Answer» B. y(t) = 1⁄2 (1 – e-2t)