Crude oil imports to one country from another for 2009-2013 could be approximated by the following model where t is time in years since the start of 2000. I(t) = -33t² + 800t - 3,000 thousand barrels per day (9 ≤ t ≤ 13) According to the model, approximately when were oil imports to the country greatest? HINT [See Example 1.] (Round your answer to two decimal places.) = 12.12 How many barrels per day were imported at that time? (Round your answer to two significant digits.) 2848.48 X thousand barrels

Algebra and Trigonometry (6th Edition)
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Author:Robert F. Blitzer
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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
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Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Crude oil imports to one country from another for 2009-2013 could be approximated by the following model where t is time in years since the start of 2000.
I(t) = -33t² + 800t - 3,000 thousand barrels per day (9 ≤ t ≤ 13)
According to the model, approximately when were oil imports to the country greatest? HINT [See Example 1.] (Round your answer to two decimal places.)
t = 12.12
How many barrels per day were imported at that time? (Round your answer to two significant digits.)
2848.48
X thousand barrels
Transcribed Image Text:Crude oil imports to one country from another for 2009-2013 could be approximated by the following model where t is time in years since the start of 2000. I(t) = -33t² + 800t - 3,000 thousand barrels per day (9 ≤ t ≤ 13) According to the model, approximately when were oil imports to the country greatest? HINT [See Example 1.] (Round your answer to two decimal places.) t = 12.12 How many barrels per day were imported at that time? (Round your answer to two significant digits.) 2848.48 X thousand barrels
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