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2025年8月美国A卷 · 第 3 题

2025年8月美国A卷 · 原库模块 2 · Q3 原库参考解析

The function \(f\) is defined by \(f(x)=a^x-b\), where \(a\) and \(b\) are constants. In the \(xy\)-plane, the graph of \(y=f(x)\) passes through the points \((c,5)\) and \((2c,137)\), where \(c\) is a constant. Which of the following could be the value of \(b\)?

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