Employers are increasingly turning to GPS (global positioning system) technology to keep track of their fleet vehicles. The estimated number of automatic vehicle trackers installed on fleet vehicles in the United States is approximated by N(t) = 0.550.12t (0 st≤ 9) where N(t) is measured in millions and t is measured in years, with t 0 corresponding to the year 2000. (a) What was the number (in millions) of automatic vehicle trackers installed in the year 2000? How many were projected to be installed in 2009? (Round your answers to two decimal places.) 2000 2009 I million trackers million trackers (b) Sketch the graph of N. -6 -4 -2 N N 2 -6 -4 -2 -2 -6 2 -6-4-2 2 N 6
Employers are increasingly turning to GPS (global positioning system) technology to keep track of their fleet vehicles. The estimated number of automatic vehicle trackers installed on fleet vehicles in the United States is approximated by N(t) = 0.550.12t (0 st≤ 9) where N(t) is measured in millions and t is measured in years, with t 0 corresponding to the year 2000. (a) What was the number (in millions) of automatic vehicle trackers installed in the year 2000? How many were projected to be installed in 2009? (Round your answers to two decimal places.) 2000 2009 I million trackers million trackers (b) Sketch the graph of N. -6 -4 -2 N N 2 -6 -4 -2 -2 -6 2 -6-4-2 2 N 6
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Transcribed Image Text:Employers are increasingly turning to GPS (global positioning system) technology to keep track of their fleet vehicles. The estimated number of automatic vehicle trackers installed on fleet vehicles in the
United States is approximated by
N(t) = 0.55e0.12t
(0 ≤ t≤9)
where N(t) is measured in millions and t is measured in years, with t = 0 corresponding to the year 2000.
(a) What was the number (in millions) of automatic vehicle trackers installed in the year 2000? How many were projected to be installed in 2009? (Round your answers to two decimal places.)
2000
2009
million trackers
million trackers
(b) Sketch the graph of N.
-6
-4
N
6
4
2
-2
-4
-6
N
6
t
-6
-4
-2
N
4
2
-2
-4
-아
2
4
6
-6
-2
N
6
4
2
-2
-4
6
2
4
6
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