Which function family would be used to solve the following question?

Sheldon is cleaning out the closet in his spare bedroom. He has been able to decrease the number of items in the closet by half each month. If he started with 1,792 items in the closet, how many items will be in the closet after 5 months?
A.
Linear Function Family
B.
Absolute Value Function Family
C.
Quadratic Function Family
D.
Exponential Function Family