<p>设函数<img src="https://file.gaojiufeng.cn/learnAppQuestion/6b/7a/6b7a9c8a3ad4b530db0a22fc9aef8f9b.jpg" style="width: 100%;height: auto;">则<img src="https://file.gaojiufeng.cn/learnAppQuestion/3a/55/3a55530dc1bb57639e3d1a876cd5a172.jpg" style="width: 100%;height: auto;">（）.</p>