1.

The unit step of the ramp is

A. u (t 4) + u (t 3)
B. 2 [u (t 3) u (t 4)]
C. 2 (t 3) {u (t 3) u (t 4)}
D. 2 {u (t 3) u (t 4)}
Answer» D. 2 {u (t 3) u (t 4)}


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