The Inverse Fourier transform of the signal 2 ( ) + ( -4 ) + ( +4 ) is ______________

The Inverse Fourier transform of the signal 2 ( ) + ( -4 ) + ( +4

1.	The Inverse Fourier transform of the signal 2 ( ) + ( -4 ) + ( +4 ) is ______________
A.	2 (1 cos 4 t)
B.	(1 cos 4 t)
C.	1 + cos 4 t
D.	2 (1 + cos 4 t)
Answer» D. 2 (1 + cos 4 t)