Question

S

ไม่เข้าใจข้อนี้ค่ะ ช่วยแปลหน่อยงับบบ

From 1950 through 2005, the per capita consumption C of cigarettes by Americans (age 18 and older) can be modeled by C = 3565.0 + 60.30t - 1.783t, 0 sts 55, where t is the year, with t = 0 corresponding t0 19
(a) Use a graphing utility to graph the model.
Cigarettes
Cigarettes
4000
60
3000
45
2000
30
1000
15
1 Year
1 Year
10
20
30
40
50
60
1000 2000 3000 4000 5000 6000
Year
Year
4000
60
3000
45
2000
30
1000
15
Cigarettes
60
Cigarettes
10
20
30
40
50
1000 2000 3000 4000 5000 6000
(b) Use the graph of the model to approximate the maximum average annual consumption.
cigarettes
Beginning in 1966, all cigarette packages were required by law to carry a health warning. Do you think the warning had any effect? Explain.
After 1966, the consumption -Select---
It --Select- v ikely that the warning was responsible for the decrease in consumption.
-Decveases
- incveases
- is/is not
- rem ains constดท
(c) In 2005, the บ.S. population (age 18 and over) was 296,329,000. Of those, about 59,858,458 were smokers. What was the average annual cigarette consumption per smoker in 2005?
cigarettes
What was the average daily cigarette consumption per smoker?
cigarettes
0

คณิตศาสตร์ภาษาอังกฤษ