2026年3月国际B卷 · 第 1 题

2026年3月国际B卷 · 原库模块 2 · Q1 原库参考解析

The scatterplot shows the relationship between the number of whooping cranes, y, in a certain population and the number of years since 1960, x, where \( 0\le x\le50 \) .

Which of the following equations is the most appropriate exponential model for the data shown in the scatterplot?