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2026年8月国际A卷 · 第 8 题

2026年8月国际A卷 · 原库模块 1 · Q8 参考答案

Maya is enlarging the area of a photograph that measures 7 centimeters by 5 centimeters. The resulting area, in square centimeters, of the photograph is given by the function \( S(x)=(7x)(5x) \) , where x represents the scale factor used to increase both the length and width of the photograph. Which statement is the best interpretation of\( S(3)=315 \)?
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