[填空题]
The bench press world record weight, W, in kilograms, is modebin-cci6q3 nw90l 9 qqj2r y3 qzfkf0, b3(cxhlled by the function
2z0frc xh q ky,(33jbf 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 =
