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ZX-7ED26E6DF72024年11月A卷 · 第 15 题
2024年11月A卷 · 原库模块 1 · Q15 原库参考解析
\( C\left(t\right)=240\left(\frac{53}{52}\right)^{t-15}+7 \)
The function C gives the estimated number of cephalopods, a class of marine animal, in a certain area, where t is the number of months since a study began. How many months after the study began was the number of cephalopods in the area estimated to be 247?
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