<p>设函数<img src="https://learnfile.20230611.cn/learnAppQuestion/18/ec/18ecaffc80d0971ebc5fb0806a9fdf55.jpg" style="width: 100%;height: auto;">则<img src="https://learnfile.20230611.cn/learnAppQuestion/60/bf/60bf3957e19ae85666e78ca0fb1b1bc5.jpg" style="