A cell site is a site where electronic communications equipment is placed in a cellular network for the use of mobile phones. The numbers of cell sites from 1985 through 2011 can be modeled by 269,573 y = 1+ 985e-0.308t Where t represents the year, with t = 5 corresponding to 1985. Use the model to find the numbers of cell sites in the years 1998, 2003, and 2006. a. b. Use a graphing utility to graph the function Determine the year in which the number of cell sites reached 250,000. с.
A cell site is a site where electronic communications equipment is placed in a cellular network for the use of mobile phones. The numbers of cell sites from 1985 through 2011 can be modeled by 269,573 y = 1+ 985e-0.308t Where t represents the year, with t = 5 corresponding to 1985. Use the model to find the numbers of cell sites in the years 1998, 2003, and 2006. a. b. Use a graphing utility to graph the function Determine the year in which the number of cell sites reached 250,000. с.
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:3. A cell site is a site where electronic communications equipment is placed in a cellular network for the use of mobile
phones. The numbers of cell sites from 1985 through 2011 can be modeled by
269,573
y :
1+ 985e-0.308t
=
Where t represents the year, with t = 5 corresponding to 1985.
Use the model to find the numbers of cell sites in the years 1998, 2003, and 2006.
a.
b. Use a graphing utility to graph the function
с.
Determine the year in which the number of cell sites reached 250,000.
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