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2025年5月国际A卷 · 第 22 题

2025年5月国际A卷 · 原库模块 2 · Q22 原库参考解析

A computer repair specialist charges $160 for the first two hours of repair plus an hourly fee for each additional hour. The total cost for 6 hours of repair is $360. Which function \( f \)  gives the total cost, in dollars, for x hours of repair, where \( x\ge2 \) ?
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