The table represents some points on the graph of an exponential function. Which function represents the relationship?"

x
2
3
4
5
6
f(x)
6
3
1.5
0.75
0.375

y=24(0.5)^x
Y=6(0.6)^x
y=24(5)^x
y=0.5^x

The function that represents the relationship is y = 0.5^x.