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ZX-81E6D03C472024年8月北美B卷 · 第 9 题
2024年8月北美B卷 · 原库模块 1 · Q9 原库参考解析
The Mars Perseverance rover is a robot designed to collect samples of rock and soil. During an experiment, the rover moves at a constant speed on a straight path toward a designated target. The equation \( y=500-145x \) gives the rover's remaining distance from its target y, in meters, x hours after the start of the experiment. What is the best interpretation of 500 in this context?
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