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ZX-45F1D713932024年11月北美A卷 · 第 10 题
2024年11月北美A卷 · 原库模块 2 · Q10 原库参考解析
A polygonal chain is a connected series of line segments whose length is defined as the sum of the lengths of the line segments it is made of. A polygonal chain with a length of 33 centimeters (cm) is extended by adding line segments that each have a length of \( 8−r \) cm. Which function \( f \) represents the total length, in cm, of the extended polygonal chain after x line segments are added?
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