Question

The function below shows the number of students of a school who enrolled for ballet classes. Let f(x) represent the total number of students who enrolled for the classes after x years.

f(x) = 12(1.06)^x

The average rate of change in the number of students who enrolled for ballet classes from the third to the fifth year is ________students per year.

Round your answer to the nearest whole number.

I got 0.8832...
Do I round up or down (because it's a person)

Answer 1

@satellite73

Answer 2

How did you get 0.8832?

Answer 3

I typed 12(1.06)^5-12(1.06)^3/5-3 in my calculator

Answer 4

Actually I got 1.77

Answer 5

12*.1.06^3 = 14.29
12*1.06^5 = 16.06
16.06-14.29 = 1.77

Answer 6

Nearest whole number would be 2

Answer 7

thanks

Answer 8

did that help you out?

Answer 9

yeah

Answer 10

ok :)