Let P(t) be the percentage of Americans under the age of 18 at time t. The table gives values of this function in census years from 1960 to 2010. Time, t 1960 P(t) [1960, 1980] = [1970, 1980] = [1980, 1990] 1970 1980 1990 37.3 32.3 28.7 27.3 Compute the average rate of change of percentage of Americans under age 18 with respect to time over each time interval (round your answer to the nearest hundreths place): = [1980, 2000] = = 2000 2010 25.9 24.6 Estimate the instantaneous rate of change of percentage of Americans under the age 18 for the year 1980. Include the proper units in your answer: (Round your answer to the nearest hundreths place.) e) Select an answer

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Let P(t) be the percentage of Americans under the age of 18 at time t. The table gives values of this function in census
years from 1960 to 2010.
Time, t 1960
P(t)
[1960, 1980] =
[1970, 1980] =
[1980, 1990]
1970 1980 1990
37.3 32.3 28.7 27.3
Compute the average rate of change of percentage of Americans under age 18 with respect to time over each time interval
(round your answer to the nearest hundreths place):
=
[1980, 2000] =
=
2000 2010
25.9 24.6
Estimate the instantaneous rate of change of percentage of Americans under the age 18 for the year 1980. Include the
proper units in your answer:
(Round your answer to the nearest hundreths place.)
e)
Select an answer
Transcribed Image Text:Let P(t) be the percentage of Americans under the age of 18 at time t. The table gives values of this function in census years from 1960 to 2010. Time, t 1960 P(t) [1960, 1980] = [1970, 1980] = [1980, 1990] 1970 1980 1990 37.3 32.3 28.7 27.3 Compute the average rate of change of percentage of Americans under age 18 with respect to time over each time interval (round your answer to the nearest hundreths place): = [1980, 2000] = = 2000 2010 25.9 24.6 Estimate the instantaneous rate of change of percentage of Americans under the age 18 for the year 1980. Include the proper units in your answer: (Round your answer to the nearest hundreths place.) e) Select an answer
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