A pulse function having magnitude E and duration from t = 0 to t = a can be represented as

difference of two pulse functions

difference of two step functions each of magnitude E and one originating at t = 0 and the other at t = a

A pulse function having magnitude E and duration from t = 0 to t = a c

1.	A pulse function having magnitude E and duration from t = 0 to t = a can be represented as
A.	sum of two pulse functions
B.	difference of two pulse functions
C.	difference of two step functions each of magnitude E and one originating at t = 0 and the other at t = a
D.	none of the above
Answer» D. none of the above