The annual net sales (revenue) earned by the Finnish cell phone company Nokia from January 1999 to January 2004 can be approximated by 
billion euros per year 
where t is time in years
(
represents January 2000). Suppose that, from January 1999 on, Nokia invested its revenue in an investment yielding 7% compounded continuously. What, to the nearest €10 billion, would the total value of Nokia's revenues have been at the end of 2003?
?
A. Total revenue ? 150 billion euros
B. Total revenue ? 180 billion euros
C. Total revenue ? 160 billion euros
D. Total revenue ? 170 billion euros
E. Total revenue ? 190 billion euros
Answer: D
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A. (0, 
), (0, -
)
B. (2, 0), (-2, 0)
C. (
, 0), (-
, 0)
D. (0, 2), (0, -2)
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