若函数<img src="https://static.zxtiku.com/wangke/imgs/topic/f5928d00cce8035d17372ca57b3135de.png"/>在区间<img src="https://static.zxtiku.com/wangke/imgs/topic/91e2ea5d5ebd9f7a8d9461dda6e65055.png"/>上连续，则<img src="https://static.zxtiku.com/wangke/imgs/topic/97da14ce2dae8964b07c238fe1e6613a.png"/>也在<img src="https://static.zxtiku.com/wangke/imgs/topic/78b12443306cfb83e2eb5659de25f048.png"/>上连续.