<p>设函数<img src="https://file.gaojiufeng.cn/learnAppQuestion/28/4e/284e92e4095fa98be7e6ca717b4cf1f2.jpg" style="width: 100%;height: auto;">，则<img src="https://file.gaojiufeng.cn/learnAppQuestion/60/bf/60bf3957e19ae85666e78ca0fb1b1bc5.jpg" style="width: 100%;height: auto;">（）.</p>