2026年3月国际A卷 · 第 1 题

2026年3月国际A卷 · 原库模块 1 · Q1 原库参考解析

The function w models the weight, in ounces, of the remaining solid wax of a burning candle as a function of the time x , in hours, after the candle was lit. The graph of \( y=w(x) \) is shown. According to the model, what was the weight, in ounces, of the candle's remaining solid wax 12 hours after the candle was lit?