The average salaries S (in thousands of dollars) for elementary school teachers in the United States from 1990 through 2005 are approximated by the model
?
?
where t represents the year, with t = 0 corresponding to 1990.
If this relationship between salary and time continues, when will the average salary exceed $58,000?
(Round the answer to two decimal places.)
?
A. t> 24.86 (2015)
B. t< 28.86 (before 2015)
C. t> 25.86 (2016)
D. t< 26.86 (before 2017)
E. t> 27.86 (2018)
Answer: A
Mathematics
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