3.
Let f(x) = 0.8x3 + 1.9x2 - 2.7x+23 represent the number of people in a country
where x is...
![subject](/tpl/images/cats/mat.png)
Mathematics, 30.03.2021 03:00 bri6517
3.
Let f(x) = 0.8x3 + 1.9x2 - 2.7x+23 represent the number of people in a country
where x is the number of years after 1998 and f(x) represent the number of people in
thousands. Include units in your answer where appropriate.
(round to the nearest tenth if necessary)
a) How many people were there in the year 1998?
b) Find f(15)
c) x = 15 represents the year
Write a complete sentence interpreting f(19) in context to the problem
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:10, Andrewecolt1993
Which is a graph of a proportional relationship?
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:40, thepantsgirl
Solve the equation below: (x+4)/6x=1/x a. x=2 b. x=0,2 c. x=-2 d. x=0,-2
Answers: 1
![image](/tpl/images/cats/mat.png)
You know the right answer?
Questions in other subjects:
![Konu](/tpl/images/cats/istoriya.png)
History, 21.06.2019 23:30
![Konu](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:30
![Konu](/tpl/images/cats/istoriya.png)
History, 21.06.2019 23:30
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/istoriya.png)
History, 21.06.2019 23:30
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/informatica.png)
Computers and Technology, 21.06.2019 23:30