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IB MAI HL Calculus Topic 5.1 Differentiation (id: b9ffefbd4)

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admin 发表于 2024-3-5 20:50:37 | 显示全部楼层 |阅读模式
本题目来源于试卷: IB MAI HL Calculus Topic 5.1 Differentiation,类别为 IB数学

[填空题]
The concentration in/anfag .s 1j7r mg of q lwnbu5r: 0a4)ad7fx a certain medicine t hours after administration can be modeled bl5wufra70 bnaxd)q 4: y C(t) = 1000te$^{-1.25t}$ , t≥0.
1.Find the rate of change of the concentration with respect to time.
C'(t) = 1000e$^{-1.25t}(a-b1.25t)$ , a=  , b=  .
2.Find the value of t when the rate of change of C is zero.
t=  .
3.Determine if the time found in part (b) is a local minima or maxima for C. Justify your answer.




参考答案:
空格1: 1空格2: 1.25空格3: 0.8


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