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2024年5月北美A卷 · 第 22 题

2024年5月北美A卷 · 原库模块 2 · Q22 原库参考解析

The cost of renting a piece of equipment is $46n for the first day and $23n for each additional day, where n is a positive integer Which of the following functions gives the cost C(x), in dollars, of renting this equipment for x days, where x is a positive integer ? 
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