The life expectancies of black males in the United States at various ages for 2006 are as shown below. Life Expectancy of Black Males by Age Life Expectancy (years) Age (years) At birth 69.7 10 60.9 20 51.3 30 42.4 40 33.5 50 25.2 60 18.2 70 12.3 (a) How rapidly, on average, does the life expectancy change between birth and the 60th year of life for black males in the United States? (Round your answer to two decimal places.) years per year (b) Compare the average rates of change of life expectancy for the 10-year periods between ages 10 and 20 and ages 20 and 30. (Round your answers to two decimal places.) between ages 10 and 20 between ages 20 and 30 Life expectancy decreases more rapidly between ages ---Select--- than between ages ---Select---
The life expectancies of black males in the United States at various ages for 2006 are as shown below. Life Expectancy of Black Males by Age Life Expectancy (years) Age (years) At birth 69.7 10 60.9 20 51.3 30 42.4 40 33.5 50 25.2 60 18.2 70 12.3 (a) How rapidly, on average, does the life expectancy change between birth and the 60th year of life for black males in the United States? (Round your answer to two decimal places.) years per year (b) Compare the average rates of change of life expectancy for the 10-year periods between ages 10 and 20 and ages 20 and 30. (Round your answers to two decimal places.) between ages 10 and 20 between ages 20 and 30 Life expectancy decreases more rapidly between ages ---Select--- than between ages ---Select---
Chapter6: Exponential And Logarithmic Functions
Section6.8: Fitting Exponential Models To Data
Problem 3TI: Table 6 shows the population, in thousands, of harbor seals in the Wadden Sea over the years 1997 to...
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Transcribed Image Text:The life expectancies of black males in the United States at various ages for 2006 are as shown below.
Life Expectancy of Black
Males by Age
Life Expectancy
(years)
Age
(years)
At birth
69.7
10
60.9
20
51.3
30
42.4
40
33.5
50
25.2
60
18.2
70
12.3
(a) How rapidly, on average, does the life expectancy change between birth and the 60th year of life for black males in the United
States? (Round your answer to two decimal places.)
years per year
(b) Compare the average rates of change of life expectancy for the 10-year periods between ages 10 and 20 and ages 20 and 30.
(Round your answers to two decimal places.)
between ages 10 and 20
between ages 20 and 30
Life expectancy decreases more rapidly between ages ---Select---
than between ages ---Select---
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