Question

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:


f(x) = 800(1.09)4x [Step 1]
f(x) = 800(1.094)x [Step 2]
f(x) = 800(1.4116)x [Step 3]
f(x) = (1129.27)x [Step 4]


Which of the following is the first incorrect step?
Step 1

Step 2

Step 3

Step 4

Answer 1

check for (1.09)*4x

Answer 2

help? @minoz

Answer 3

see step 2
there, 1.09*(4x) is given as 1.094x which is wrong
it should be 4.36x
so step 2 is wrong