The following table gives the average number of students per computer in public schools for the school years that ended in 1985 through 2002. Let x be the number of years past 1980. Find an exponential model for these data. Round your answer to three decimal places.
?
Year
Studentsper ComputerYearStudentsper Computer1985
1986
1987
1988
1989
1990
1991
1992
1993
75
50
37
32
25
22
20
18
16
1994
1995
1996
1997
1998
1999
2000
2001
2002
14
10.5
10
7.8
6.1
5.7
5.4
5.0
4.9
Source: Quality Education Data, Inc., Denver, Colorado
?
A. 
B. 
C. 
D. 
E. 
Answer: C
Mathematics
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B. k = 343; y = 
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A. - 
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B. - 
x2 - 
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C. - 
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D. 
x2 - 
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A. Yes B. No
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