Find an exponential function to model the data.

x | y
1 7
2 16
3 30
4 61
5 124
6 271
7 522

A. f(x)= 116.4 - 42.8 In x
B. f(x)= 2.04(3.56)^x
C. f(x)= 3.56(2.04)^x
D. f(x)= -42.8 + 116.4 In x