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The price of crude oil during the period 2000-2010 can be approximated by

P(t) = 6t + 18 dollars per barrel (0 ≤ts 10)

in year t, where t = 0 represents 2000. Russia's crude oil production over the same period can be approximated by

Q(t) = -0.08t² + 1.2t + 5.5 million barrels per day (0 ≤ t ≤ 10).†

Use these models to estimate Russia's daily oil revenue and also its rate of change in 2002. (Round your answers to the nearest $1 million.)

daily oil revenue $ million

rate of change in 2002 $ million per year