<p>设函数<img src="https://file.gaojiufeng.cn/learnAppQuestion/ac/14/ac147828e804b58654355ac67632c0d7.jpg" style="width: 100%;height: auto;">，则<img src="https://file.gaojiufeng.cn/learnAppQuestion/29/4c/294c3f33def8f2828a6038508dafe2ef.jpg" style="width: 100%;height: auto;">（）.</p>