9. The number of Internet users in a country for various years are shown in the table below. Let n be the number (in millions) of Internet users in the country at t years since 1995. A model of the situation is n=21.4t+17.2. Internet users in the country Year 1996 1997 1998 1999 2000 2001 2002 2003 2004 Number of users (millions) 37 60 82 103 124 144 165 185 206 a) Draw in the linear model that was given. Use the same grid as for the scattergram. Show at least two solutions below in a table. b) Create a scattergram for the data. Make room for years from 1995 to 2009. Allow for a number of users up to 350 million users c) Find and label the slope. Interpret the slope in terms of the application. d) Find and label the y-intercept. Interpret the y-intercept in terms of the application. e) Use the model drawn (your graph) to predict the year when the number of users will reach 250 million users. Round to the nearest year. f) Check your work using the graphing calculator.
9. The number of Internet users in a country for various years are shown in the table below. Let n be the number (in millions) of Internet users in the country at t years since 1995. A model of the situation is n=21.4t+17.2. Internet users in the country Year 1996 1997 1998 1999 2000 2001 2002 2003 2004 Number of users (millions) 37 60 82 103 124 144 165 185 206 a) Draw in the linear model that was given. Use the same grid as for the scattergram. Show at least two solutions below in a table. b) Create a scattergram for the data. Make room for years from 1995 to 2009. Allow for a number of users up to 350 million users c) Find and label the slope. Interpret the slope in terms of the application. d) Find and label the y-intercept. Interpret the y-intercept in terms of the application. e) Use the model drawn (your graph) to predict the year when the number of users will reach 250 million users. Round to the nearest year. f) Check your work using the graphing calculator.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
![9.
The number of Internet users in a country for various years
are shown in the table below.
Let n be the number (in millions) of Internet users in the
country at t years since 1995. A model of the situation is
n=21.4t+17.2.
Internet users in the country
Year
1996
1997
1998
1999
2000
2001
2002
2003
2004
Number of users
(millions)
37
60
82
103
124
144
165
185
206
a) Draw in the linear model that was given. Use the same grid as for the scattergram. Show at least two
solutions below in a table.
b) Create a scattergram for the data. Make room for years from 1995 to 2009. Allow for a number of users
up to 350 million users.
c) Find and label the slope. Interpret the slope in terms of the application.
d) Find and label the y-intercept. Interpret the y-intercept in terms of the application.
e) Use the model drawn (your graph) to predict the year when the number of users will reach 250 million
users. Round to the nearest year.
f) Check your work using the graphing calculator.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3d24b4a4-3f74-4679-808a-91a1fe532170%2Fca1e734a-12b8-4f4c-855c-626574941e76%2Fwll87uv_processed.jpeg&w=3840&q=75)
Transcribed Image Text:9.
The number of Internet users in a country for various years
are shown in the table below.
Let n be the number (in millions) of Internet users in the
country at t years since 1995. A model of the situation is
n=21.4t+17.2.
Internet users in the country
Year
1996
1997
1998
1999
2000
2001
2002
2003
2004
Number of users
(millions)
37
60
82
103
124
144
165
185
206
a) Draw in the linear model that was given. Use the same grid as for the scattergram. Show at least two
solutions below in a table.
b) Create a scattergram for the data. Make room for years from 1995 to 2009. Allow for a number of users
up to 350 million users.
c) Find and label the slope. Interpret the slope in terms of the application.
d) Find and label the y-intercept. Interpret the y-intercept in terms of the application.
e) Use the model drawn (your graph) to predict the year when the number of users will reach 250 million
users. Round to the nearest year.
f) Check your work using the graphing calculator.
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