IB MAI HL Functions Topic 2.2 Applications of Functions (id: 3c9d76b5a)

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]
Certain content on the j(c lvev3 ow-90z k.xaoic0r3.p 5kbo internet3olp 4rno 1ppots(t f/w**/mg can become viral when the content spreads exponentially. The spread of content published by a specific content creasppf*o*o(/m1tgrn p3l4 t ow/tor can be modelled by the function
N(t)=145$\times1.25^t$,
where N is the number of people reached by the content, and t is the number of hours since the content's publication.
1.Write down the number of people reached immediately after the content's publication. N =   
2.Calculate the number of hours it takes for the content to reach 100000 people. t =   
3.Calculate the number of people reached after 80 hours.
Approximately 5 billion people in the world are now connected to the internet. N =   
4.Explain why the model starts to become unrealistic after about 3 days.

参考答案:
空格1: 145±2%  空格2: 29.3±2%  空格3: 8210000000±2% 


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