Let p(t) represent the population of a major city t years after 1950, as shown in the table and figure. Answer parts (a) through (c) below. Year 1950 1960 1970 20 1980 30 1990 40 2000 50 t 0 10 p(t) 59,000 111,892 212,202 402,437 763,213 1,447,419 Population (thousands) 2000 1600 1200 800 400 0 10 20 30 40 50 Years after 1950 Q Q G

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
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Chapter10: Sequences, Series, And Probability
Section10.4: Mathematical Induction
Problem 25E
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please answer all parts listed also approximate the growth rate of city’s population in 2000
Let p(t) represent the population of a major city t years after 1950, as shown in the table and figure. Answer parts (a) through (c)
below.
Year 1950 1960
1970
20
1980
30
1990
40
2000
50
t
0
10
p(t) 59,000 111,892 212,202 402,437 763,213
1,447,419
Population (thousands)
2000
1600
1200+
800
400
0 10 20 30 40 50
Years after 1950
Q
Q
G
Transcribed Image Text:Let p(t) represent the population of a major city t years after 1950, as shown in the table and figure. Answer parts (a) through (c) below. Year 1950 1960 1970 20 1980 30 1990 40 2000 50 t 0 10 p(t) 59,000 111,892 212,202 402,437 763,213 1,447,419 Population (thousands) 2000 1600 1200+ 800 400 0 10 20 30 40 50 Years after 1950 Q Q G
a. Compute the average rate of growth of the city population from 1970 to 1980.
The average rate of growth is
people/year.
(Simplify your answer. Type an integer or a decimal. Round to the nearest tenth as needed.)
b. Explain why the average rate of growth calculated in part (a) is a good estimate of the instantaneous rate of growth of the city in 1975. Choose the correct
answer below.
O A.
p(30)-p(20)
The formula
gives the instantaneous rate of population change in 1975.
30-20
OB. The slope of the tangent line at t = 25 is approximately equal to the slope of the secant line through points (2p(20)) and (30.p(30)).
OC. The average rate of growth from 1970 to 1980 equals the slope of the secant line through points (20,p(20)) and (30,p(30)).
c. Compute the average rate of growth of the city from 1990 to 2000.
The average rate of growth is people / year.
(Simplify your answer. Type an integer or a decimal. Round to the nearest tenth as needed.)
Transcribed Image Text:a. Compute the average rate of growth of the city population from 1970 to 1980. The average rate of growth is people/year. (Simplify your answer. Type an integer or a decimal. Round to the nearest tenth as needed.) b. Explain why the average rate of growth calculated in part (a) is a good estimate of the instantaneous rate of growth of the city in 1975. Choose the correct answer below. O A. p(30)-p(20) The formula gives the instantaneous rate of population change in 1975. 30-20 OB. The slope of the tangent line at t = 25 is approximately equal to the slope of the secant line through points (2p(20)) and (30.p(30)). OC. The average rate of growth from 1970 to 1980 equals the slope of the secant line through points (20,p(20)) and (30,p(30)). c. Compute the average rate of growth of the city from 1990 to 2000. The average rate of growth is people / year. (Simplify your answer. Type an integer or a decimal. Round to the nearest tenth as needed.)
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