作者diedheart (die)
看板trans_math
标题请益
时间Wed Jun 14 22:12:14 2006
the estimated rate at which oil will be produced from a certain oil
well t years after production has begun is given by f(t) thousand
barrels per year.find an expression that describes the total production
of oil at the end of year t if f(t)=100te^-0.1t
那个方程式是100t乘以e的负0.1t次方(在右上角)
谢谢
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