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2025年6月国际A卷 · 第 9 题

2025年6月国际A卷 · 原库模块 2 · Q9 原库参考解析


\( m(t)=−0.0274(\frac{t}{7})^{2}+7.3873(\frac{t}{7})+75.032 \) 
The function m gives the predicted body mass \( m(t) \) in kilograms (kg), of a male giraffe \( t \) days after it was born in a wildlife reserve, where \( t\le390 \). Which of the following is the best interpretation of the statement "\( m(370) \) is approximately equal to \( 389 \)"in this context?
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