The function below shows the number of students of a school who enrolled for salsa classes. Let f(x) represent the total number of students who enrolled for the classes after x years:
f(x) = 10(1.18)x
The average rate of change in the number of students who enrolled for salsa classes from the second to the fifth year is ________students per year.
Round your answer to the nearest whole number.
Numerical Answers Expected!
Answer for Blank 1:
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I want to make sure I have it right. I got 2.99 for my final answer but I rounded up and got 3. Is that correct?
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In the second year, no of students who enrolled class is
f(2) = 10 * 1.18^2 = 13.924 ~ 14 (students)
Similarly, in fifth year,
f(5) = 10 * 1.18^5 = 22.87 ~ 23 (students)
The average rate of change from 2nd to 5th year is
Average rate of change is 3 students per year
you are correct
Thank you so much. I just wanted to make sure and you made it very clear. Thank you.