<p>若函数<img src="https://file.gaojiufeng.cn/learnAppQuestion/c1/24/c12408ebd384ea7e8ff1af0b079fd4dc.jpg" style="width: 100%;height: auto;">在<img src="https://file.gaojiufeng.cn/learnAppQuestion/40/2b/402bca5d12f4fdd2fc3f3fdd78416deb.jpg" style="width: 100%;height: auto;">处连续，则<img src="https://file.gaojiufeng.cn/learnAppQuestion/59/b1/59b19a05ed973c0d12bc6b0c9d5c8d71.jpg" style="width: 100%;height: auto;">_____.</p>