<p>已知<img src="https://learnfile.20230611.cn/learnAppQuestion/8d/cf/8dcffe3a7fcfa4739effb168a026e3b1.jpg" style="width: 100%;height: auto;">是函数<img src="https://learnfile.20230611.cn/learnAppQuestion/b6/8c/b68c91583cf835a9fb1f6cb01dce02a9.jpg" style=