The function f(x) = 800(1.09)4x shows the growth due to interest that Jim earns on an investment. The steps to calculate an equivalent function are shown below:

[Step 1] f(x) = 800(1.09)4x


[Step 2] f(x) = 800(1.094)x


[Step 3] f(x) = 800(1.4116)x


[Step 4] f(x) = (1129.27)x


Which of the following is the first incorrect step?


Step 1

Step 2

Step 3

Step 4