2)What type of polynomial function would be the best model for the set of data?
A)quartic
B)fifth-power
C)cubic
D)quadratic
3)The United States Census Bureau has projected the median age of the US population to the year 2080. A fast-food chain wants to target its marketing toward customers that are about the median age. Which of the following can be the model that relates the median age as a function of the number of years since 1900?
A) f(x) = 8.79x2 + 3.35x + 27.43
B) f(x) = -0.02x4 - 7.79x3 + 2.25x2 + 20x -10
C) f(x) = -0.02x3 + 8.79x2 + 3.35x + 27.43
D) f(x) = 0.126x + 22.732
4) The United States Census Bureau has projected the median age of the US population to the year 2080. A fast-food chain wants to target its marketing toward customers that are about the median age. Use a model to predict what age the fast-food chain should target in the year 2010.
A)38
B)37
C)35.1
D)36
5)
Use a graphing calculator to write a polynomial function to model the data.
A)f(x) = 29x2 + 7.93x + 0.244
B)f(x) = 0.0008x4 - 0.044x3 + 0.893x2 - 5.114x + 20.75
C)f(x) = -0.0031x4 + 0.127x3 - 1.55x2 + 7.93x + 0.244
D)f(x) = -0.0031x3 + 0.127x2 + 0.244x + 7.93
6)Use a model to predict what year 89% of the population will be living in metropolitan areas.
A)2014
B)2011
C)2040
D) 2022
+118723 I am looking at Q6
I entered this data
1950,56.1
1960,63
1970,69
1980,74.8
1990,77.5
1996,79.8
2000,80.3
Into this site
http://www.alcula.com/calculators/statistics/linear-regression/
Then you can put your desired values in and get the predictions. :))
Maybe you have to do it by hand but this should still help.
+118723 I am looking at Q6
I entered this data
1950,56.1
1960,63
1970,69
1980,74.8
1990,77.5
1996,79.8
2000,80.3
Into this site
http://www.alcula.com/calculators/statistics/linear-regression/
Then you can put your desired values in and get the predictions. :))
Maybe you have to do it by hand but this should still help.
