If u (t), r (t) denote the unit step and unit ramp functions respectively and u (t) * r (t) their convolution, then the function u (t + 1) * r (t -2) is given by

If u (t), r (t) denote the unit step and unit ramp functions respectiv

1.	If u (t), r (t) denote the unit step and unit ramp functions respectively and u (t) * r (t) their convolution, then the function u (t + 1) * r (t -2) is given by
A.	½ (t -1) u (t -1)
B.	½ (t -1) u (t -2)
C.	½ (t -1)2 u (t-1)
D.	None of above
Answer» D. None of above