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2024年6月北美A卷 · 第 14 题

2024年6月北美A卷 · 原库模块 1 · Q14 原库参考解析

The town of Fillmore is planning its annual fireworks show. The equation \( y=-16\left(x-6.8\right)^2+740 \)  gives the estimated height y, in feet, of a type of firework x seconds after it is launched into the air. Which of the following is the best interpretation of the vertex of the graph of the equation in the xy-plane?
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