Richmond

Mathematics

11 September, 08:07

The function f (x) = 800 (1.09) 3x 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) 3x

[Step 2]

f (x) = 800 (1.093) x

[Step 3]

f (x) = 800 (1.09 ⋅ 3) x

[Step 4]

f (x) = 800 (3.27) x

Which of the following is the first incorrect step?

There is no mistake in the work.

Step 1

Step 2

Step 3

Step 4