The table of values below represent an exponential function. Write an exponential equation that models the data.
X Y
-2 22
-1 15.4
0 10.78
1 7.546
2 5.2822
a. y=15.4(1.7)^x c. y=22(0.7)^x
b. y=10.78(0.7)^x d. y=10.78(1.3)^x
Please select the best answer from the choices provided