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 into a cup of warm -222ev +v v:q yo-emzpy5uwuj water. T uzj*dok),ac 2u,rm(ehe weight of the ice cube, W, in grams, reduces as the ice cube dissolves in the water. The weig(z*c )murkaj do 2,,euht can be modelled by the following 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% 


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