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ZX-1508FFEAC6PSAT 8/9 P2 · 第 10 题
PSAT 8/9 P2 · 原库模块 3 · Q10 原库参考解析
The function \( f\left(x\right)=55.20-0.16x \) gives the estimated surface water temperature \( f\left(x\right) \), in degrees Celsius, of a body of water on the xth day of the year, where \( 220\le x\le360 \) . Based on the model, what is the estimated surface water temperature, in degrees Celsius, of this body of water on the 326th day of the year?
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