IB MAI HL Functions Topic 2.2 Applications of Functions (id: 07816df1a)

本题目来源于试卷: IB MAI HL Functions Topic 2.2 Applications of Functions，类别为 IB数学

[填空题]
The bench press world record weight, W, in kilograms, is modelled byea46dxt 0-n i wls tj(xuc-.m3 the functw+t16sksm7lm9ms: af o mrx ye3;3s1sios x6m7m;1t9:ea sss 3lro3sk ywm1f m+n
W(t)=$\frac{M}{1+Ce^{-0.04t}}$,
where t is the number of years that have passed since 1953.
The first bench press world record of 227.27 kg was set in 1953. According to bench press experts, the record weight will eventually reach a limit of 350 kg.
1.(1)Write down the value of M. M =   
(2)Find the value of C , giving your answer correct to 2 decimal places. C ≈   
2.The current unbeaten bench press world record weight is 337 kg. Find the year in which this record was set.
3.A young and promising powerlifter claims that he is going to break any bench press world record performed until 2025. Find the weight that he has to bench press in 2025 to set a new bench press world record according to the model. W =   

参考答案:
空格1: 350±2%  空格2: 0.54±2%  空格3: 340±2% 


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