IB MAI HL Functions Topic 2.2 Applications of Functions (id: 596163c10)

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]
An ice cube was dropped in jb6tvw 1ygk2 )nu(1gxto a cup of warm water. The weight of the ice oje;s6uw-ve1 cube, W, in grams, reduces as the ice cube dissolves in the water. The weight can be modelled by the follow ;jeew1v suo-6ing function, W(t), where t is the time in seconds after the dissolving starts.
W(t)=28$(0.98)^t$,t≥0
1.Find
(1)the initial weight of the ice cube. W =    g
(2)the percentage of the ice cube dissolving every 55 seconds.    %
2.Calculate the weight of the ice cube remaining after one minute. W =    g

参考答案:
空格1: 28±2%  空格2: 9.64±2%  空格3: 8.33±2% 


本题详细解析:

微信扫一扫，分享更方便