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IB MAI HL Calculus Topic 5.2 Integration (id: e4a6258e6)

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admin 发表于 2024-3-20 16:11:32 | 显示全部楼层 |阅读模式
本题目来源于试卷: IB MAI HL Calculus Topic 5.2 Integration,类别为 IB数学

[填空题]
In a memory competition, the rate at which 2ra s 8*eh1afoEnx 1zynhp7uoy o)m0sfu-4:(g o glish speaking participants memorise French vocabulary can be modelled bypzxmuso)7hfyo 4 (0:uy- 1o gn the equation

$\frac{d M}{d t}=1-0.01 t$, $\quad t \geq 0$,

where M(t) is the number of words memorised in t minutes.
The number of words participants have memorised at the beginning of the competition, t=0 , is zero.
1. Find the equation for the number of memorised words at time t . M(t)= t - a$^{-3}$ t$^2$ ; a=  .

The competition ends when students get so tired that the number of additional memorised words per minute becomes zero.
2. Find the value of t when the competition will end.
t=   minutes.
3. Determine
1. the domain of M(t) is [  ,  ],
2. the range of M(t) is [  ,  ].




参考答案:
空格1: 5空格2: 100空格3: 0空格4: 100空格5: 0空格6: 50


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