2.903t - 1.98 = 18
2.903t = 19.98
t = 6.88 years or 7 years from 2000
in the year 2007
The annual sales S (in billion of dollars) of oracle corporation from 2004 through 2009 can approximated by linear equation S=2.903t-1.98,
4 < t < 9, where t represent the year,with t=4 corresponding to 2004.use the model estimate the year in which oracles annual sales were about 18billion.
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