<p>设函数<img src="https://learnfile.20230611.cn/learnAppQuestion/8e/13/8e136cc71dd848f5ba586b89eae525bb.jpg" style="width: 100%;height: auto;">曲线<img src="https://learnfile.20230611.cn/learnAppQuestion/4e/ec/4eec80baa019116f04abf733433d8b28.jpg" style=