一道微积分,介值定理的题There is a number c in the closed interval [a,b] such that f(c)≥f(x) for all x in [a,b]为什么是对的?用到了什么定理啊。

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/05 08:56:07

一道微积分,介值定理的题There is a number c in the closed interval [a,b] such that f(c)≥f(x) for all x in [a,b]为什么是对的?用到了什么定理啊。
一道微积分,介值定理的题

There is a number c in the closed interval [a,b] such that f(c)≥f(x) for all x in [a,b]
为什么是对的?用到了什么定理啊。

一道微积分,介值定理的题There is a number c in the closed interval [a,b] such that f(c)≥f(x) for all x in [a,b]为什么是对的?用到了什么定理啊。
闭区间上的连续函数必然有最大值和最小值
这是连续函数性质的一条