设函数[img=34x25]1802dbb13ecfd51.png[/img]在[img=40x25]1802dbb146e9ee8.png[/img]上连续，则有[img=308x60]1802dbb150e13a5.png[/img].
举一反三
- 设函数[img=34x25]1803cda100df59a.png[/img]在闭区间上连续，则有[img=349x60]1803cda10afa89f.png[/img].
- 设函数f (x)在[a,b]上连续,则[img=129x41]17e0a71d2986b58.png[/img],a≤x≤b
- 若函数[img=34x25]1802cfb7c70b5b9.png[/img]在[img=40x25]1802cfb7cf55d1f.png[/img]上连续且满足[img=67x25]1802cfb7d7d05e5.png[/img]，则函数[img=261x49]1802cfb7e2277d5.png[/img]在[img=40x25]1802cfb7cf55d1f.png[/img]上存在唯一零点.
- 若函数[img=34x25]1802dbb15995a22.png[/img]在[img=40x25]1802dbb16107dfb.png[/img]上连续且满足[img=67x25]1802dbb169bbecc.png[/img]，则函数[img=261x49]1802dbb17504c25.png[/img]在[img=40x25]1802dbb16107dfb.png[/img]上存在唯一零点.
- 设函数[img=34x25]18034337215bc1a.png[/img]在闭区间[a，b]上连续，则曲线y= f(x)与直线x=a和x=b所围成的平面图形的面积等于 A: [img=83x52]180343372a85d54.png[/img] B: [img=95x52]18034337336384b.png[/img] C: [img=99x52]180343373bd41b8.png[/img] D: [img=93x52]18034337443572c.png[/img]