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2024年11月北美A卷 · 第 3 题

2024年11月北美A卷 · 原库模块 1 · Q3 原库参考解析

\( k\left(x\right)=-\frac{1}{2}x^2+8x+20 \) 
The function k gives the estimated number of students in a school organization x years after the organization was established, where \( 0\le x\le10 \). Which statement is the best interpretation of k(4) = 44?
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