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ZX-502E96517FBluebook试题7 · 第 21 题
Bluebook试题7 · 原库模块 3 · Q21 原库参考解析
The cost of renting a carpet cleaner is $52 for the first day and $26 for each additional day. Which of the following functions gives the cost C(d), in dollars, of renting the carpet cleaner for d days, where d is a positive integer?
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