The following table gives the number I = I(t), in millions, of adult Americans with Internet access in year t. t = Year 2000 2009 2003 181 211 I = Millions of adult Americans 119 (a) Find I(2009). I(2009) - million adult Americans Explain what I(2009) means. This means that 211 million adult Americans had Internet access in 2009. This means that 511 million adult Americans had Internet access in 2009. This means that 511 American households had Internet access in 2003. This means that 211 adult Americans had Internet access in 2003. (b) Find the average rate of change per year during the period from 2000 to 2003. (Round your answer to one decimal place.) million per year (c) Estimate the value of I(2001). (Round your answer to one decimal place.) I(2001) = million Explain how you got your answer. I(2001) = +1x million
The following table gives the number I = I(t), in millions, of adult Americans with Internet access in year t. t = Year 2000 2009 2003 181 211 I = Millions of adult Americans 119 (a) Find I(2009). I(2009) - million adult Americans Explain what I(2009) means. This means that 211 million adult Americans had Internet access in 2009. This means that 511 million adult Americans had Internet access in 2009. This means that 511 American households had Internet access in 2003. This means that 211 adult Americans had Internet access in 2003. (b) Find the average rate of change per year during the period from 2000 to 2003. (Round your answer to one decimal place.) million per year (c) Estimate the value of I(2001). (Round your answer to one decimal place.) I(2001) = million Explain how you got your answer. I(2001) = +1x million
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:The following table gives the number I = I(t), in millions, of adult Americans with Internet access in year t.
t = Year
2000
2003 2009
I = Millions of adult Americans 119
181 211
(a) Find I(2009).
I(2009) =
million adult Americans
Explain what I(2009) means.
This means that 211 million adult Americans had Internet access in 2009.
This means that 511 million adult Americans had Internet access in 2009.
○ This means that 511 American households had Internet access in 2003.
This means that 211 adult Americans had Internet access in 2003.
(b) Find the average rate of change per year during the period from 2000 to 2003. (Round your answer to one decimal place.)
million per year
(c) Estimate the value of I(2001). (Round your answer to one decimal place.)
I(2001) =
million
Explain how you got your answer.
I(2001) *
+1x
million
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