若函数f(x)在〔a,b〕上连续,在(a,b)内可导,且x∈(a,b)时A.f(x)在〔a,b〕上单调递增,且f(b)>0B.f(x)在〔a,b〕上单调递增,且f(b)
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/27 05:04:38
![若函数f(x)在〔a,b〕上连续,在(a,b)内可导,且x∈(a,b)时A.f(x)在〔a,b〕上单调递增,且f(b)>0B.f(x)在〔a,b〕上单调递增,且f(b)](/uploads/image/z/13345353-9-3.jpg?t=%E8%8B%A5%E5%87%BD%E6%95%B0f%28x%29%E5%9C%A8%E3%80%94a%2Cb%E3%80%95%E4%B8%8A%E8%BF%9E%E7%BB%AD%2C%E5%9C%A8%28a%2Cb%29%E5%86%85%E5%8F%AF%E5%AF%BC%2C%E4%B8%94x%E2%88%88%28a%2Cb%29%E6%97%B6A.f%28x%29%E5%9C%A8%E3%80%94a%2Cb%E3%80%95%E4%B8%8A%E5%8D%95%E8%B0%83%E9%80%92%E5%A2%9E%2C%E4%B8%94f%28b%29%3E0B.f%28x%29%E5%9C%A8%E3%80%94a%2Cb%E3%80%95%E4%B8%8A%E5%8D%95%E8%B0%83%E9%80%92%E5%A2%9E%2C%E4%B8%94f%28b%29)
若函数f(x)在〔a,b〕上连续,在(a,b)内可导,且x∈(a,b)时A.f(x)在〔a,b〕上单调递增,且f(b)>0B.f(x)在〔a,b〕上单调递增,且f(b)
若函数f(x)在〔a,b〕上连续,在(a,b)内可导,且x∈(a,b)时
A.f(x)在〔a,b〕上单调递增,且f(b)>0
B.f(x)在〔a,b〕上单调递增,且f(b)
若函数f(x)在〔a,b〕上连续,在(a,b)内可导,且x∈(a,b)时A.f(x)在〔a,b〕上单调递增,且f(b)>0B.f(x)在〔a,b〕上单调递增,且f(b)
分析:本题主要考查函数的导数与单调性的关系.
若函数f(x)在(a,b)内可导,且x∈(a,b)时,f′(x)>0,则函数在〔a,b〕内为增函数.
∵f(a)
若函数f(x)在[a,b]上连续,a
若函数f(x)在[a,b]上连续,a
若函数f(x)在[a,b]上连续,a
设函数f(x)在[a,b]上连续,a
设函数f(x)在[a,b]上连续,a
若函数f(x)在[a,b]上连续,则f(x)在(a,b)内必有原函数,为什么
设函数f(x)在[a,b]上连续,在(a,b)内可导且f'(x)
设函数f(x)在[a,b]上连续,在(a,b)上可导且f'(x)
若f(x)在[a,b]上连续,a
设函数f(x),g(x)在区间[a,b]上连续,且f(a)
若函数f(x)在[a,b]上连续,则f(x)在(a,b)内必有...A.最大值与最小值B.极值C.导函数D.原函数
若函数f(x)在〔a,b〕上连续,在(a,b)内可导,且x∈(a,b)时A.f(x)在〔a,b〕上单调递增,且f(b)>0B.f(x)在〔a,b〕上单调递增,且f(b)
函数连续性问题若f(x)在[a,b]上连续,是否f(x)cosx也在[a,b]上连续?以及为什么?
设函数f(x)在[a,b]上连续,在(a,b)内可导(0
若函数f(x)在区间[a,b]上连续,则积分变上限函数就是f(x)在[a,b]上的一个原函数.
设函数f 在[a,b]上连续,M=max|f(x)|(a
f(x)在a到b上连续,f(x)
设函数f(x)在[a,b]上连续,在(a,b)可导,且f(a)*f(b)>0,f(a)*f((a+b)/2)