Let z(t) = x(t) * y(t), where “ * ” denotes convolution. Let c be a positive real-valued constant. Choose the correct expression for z(ct).

Let z(t) = x(t) * y(t), where “ * ” denotes convolution. Let c be

1.	Let z(t) = x(t) * y(t), where “ * ” denotes convolution. Let c be a positive real-valued constant. Choose the correct expression for z(ct).
A.	c . x(ct) * y(ct)
B.	x(ct) * y(ct)
C.	c . x(t) * y(ct)
D.	c . x(ct) * y(t)
Answer» B. x(ct) * y(ct)