<p>设函数<img src="https://file.gaojiufeng.cn/learnAppQuestion/6b/34/6b34fb26d8bc7552c6f903531e31426c.jpg" style="width: 100%;height: auto;">则<img src="https://file.gaojiufeng.cn/learnAppQuestion/f9/c4/f9c4f8129076349d18fe5e2eee317c65.jpg" style="width: 100%;height: auto;">（）.</p>