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2025年10月美国A卷(数易) · 第 9 题

2025年10月美国A卷(数易) · 原库模块 1 · Q9 原库参考解析

The function \( A\left(b\right)=7b^2 \) gives the area of a right triangle, in square centimeters (cm²), if the length of its base is b cm and the length of its height is 14 times the length of its base. Which of the following is the best interpretation of \( A\left(18\right)=2,268 \)?
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