Which table shows exponential decay?

Answer options with 4 options
A.
x y
1 16
2 12
3 8
4 4
5 0

C.
x y
1 256
2 64
3 16
4 4
5 1

B.
x y
1 64
2 49
3 36
4 25
5 16

1 answer

A.
x y
1 16
2 12
3 8
4 4
5 0