A country's daily oil production can be approximated by q(t) = 0.015t2 − 0.6t + 5.25 million barrels (8 ≤ t ≤ 13) where t is time in years since the start of 2000. At the start of 2010 the price of oil was $82 per barrel and decreasing at a rate of $28 per year. How fast was (daily) oil revenue changing at that time?
A country's daily oil production can be approximated by q(t) = 0.015t2 − 0.6t + 5.25 million barrels (8 ≤ t ≤ 13) where t is time in years since the start of 2000. At the start of 2010 the price of oil was $82 per barrel and decreasing at a rate of $28 per year. How fast was (daily) oil revenue changing at that time?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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A country's daily oil production can be approximated by
q(t) = 0.015t2 − 0.6t + 5.25 million barrels (8 ≤ t ≤ 13)
where t is time in years since the start of 2000. At the start of 2010 the price of oil was $82 per barrel and decreasing at a rate of $28 per year. How fast was (daily) oil revenue changing at that time?
At the start of 2010 oil revenue is decreasing at [blank] millions of dollars per year.
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