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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 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 50th 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 50 and 60 and ages 60 and 70. (Round your answers to two decimal places.) between ages 50 and 60 between ages 60 and 70 --Select than between ages -Select Life expectancy decreases more rapidly between ages The number of Internet users in Mexico between 2004 and 2008 can be modeled as u(t) 8.02(1.17) million users where t is the number of years since 2004.t (a) On average, what was the rate of change in the number of Internet users in Mexico between 2004 and 2007? (Round your answer to three decimal places.) million users per year (b) What was the percentage change in the number of Internet users in Mexico between 2004 and 2007? (Round your answer to three decimal places.) (c) The population of Mexico in 2008 was 109,955,400. What percentage of the Mexican population used the Internet in 2008? (Round your answer to three decimal places.) %

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 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 50th 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 50 and 60 and ages 60 and 70. (Round your answers to two decimal places.) between ages 50 and 60 between ages 60 and 70 --Select than between ages -Select Life expectancy decreases more rapidly between ages The number of Internet users in Mexico between 2004 and 2008 can be modeled as u(t) 8.02(1.17) million users where t is the number of years since 2004.t (a) On average, what was the rate of change in the number of Internet users in Mexico between 2004 and 2007? (Round your answer to three decimal places.) million users per year (b) What was the percentage change in the number of Internet users in Mexico between 2004 and 2007? (Round your answer to three decimal places.) (c) The population of Mexico in 2008 was 109,955,400. What percentage of the Mexican population used the Internet in 2008? (Round your answer to three decimal places.) %

Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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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 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 50th 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 50 and 60 and ages 60 and 70. (Round your answers to two decimal places.) between ages 50 and 60 between ages 60 and 70 --Select than between ages -Select Life expectancy decreases more rapidly between ages
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 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 50th 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 50 and 60 and ages 60 and 70. (Round your answers to two decimal places.) between ages 50 and 60 between ages 60 and 70 --Select than between ages -Select Life expectancy decreases more rapidly between ages
The number of Internet users in Mexico between 2004 and 2008 can be modeled as u(t) 8.02(1.17) million users where t is the number of years since 2004.t (a) On average, what was the rate of change in the number of Internet users in Mexico between 2004 and 2007? (Round your answer to three decimal places.) million users per year (b) What was the percentage change in the number of Internet users in Mexico between 2004 and 2007? (Round your answer to three decimal places.) (c) The population of Mexico in 2008 was 109,955,400. What percentage of the Mexican population used the Internet in 2008? (Round your answer to three decimal places.) %
Transcribed Image Text:The number of Internet users in Mexico between 2004 and 2008 can be modeled as u(t) 8.02(1.17) million users where t is the number of years since 2004.t (a) On average, what was the rate of change in the number of Internet users in Mexico between 2004 and 2007? (Round your answer to three decimal places.) million users per year (b) What was the percentage change in the number of Internet users in Mexico between 2004 and 2007? (Round your answer to three decimal places.) (c) The population of Mexico in 2008 was 109,955,400. What percentage of the Mexican population used the Internet in 2008? (Round your answer to three decimal places.) %
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