函数在区间上是有界函数。 https://mi-public.oss-cn-hangzhou.aliyuncs.com/mssvc/editor/image/2017/10/09/1507518052629560.pnghttps://mi-public.oss-cn-hangzhou.aliyuncs.com/mssvc/editor/image/2017/10/09/1507518053486949.png
函数在区间上是有界函数。 https://mi-public.oss-cn-hangzhou.aliyuncs.com/mssvc/editor/image/2017/10/09/1507518052629560.pnghttps://mi-public.oss-cn-hangzhou.aliyuncs.com/mssvc/editor/image/2017/10/09/1507518053486949.png
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