题目内容

设函数f(x)在点x＝a处可导，则函数｜f(x)｜在点x＝a处不可导的充分条件是()．

A. f(a)=0且fˊ(a)＝0
B. f(a)＝0且fˊ(a)≠0
C. f(a)＞0且fˊ(a)＞0
D. f(a)＜0且fˊ(a)＜0

查看答案

搜索结果不匹配？点我反馈

更多问题

野外我们第一眼就可以区别出森林和草地，首先依据的是生活型。 [ ]

A. 正确
B. 错误

查看答案

相对于限制因子来说，改善主导因子获得的效益最大。 [ ]

A. 正确
B. 错误

查看答案

Rim of Passage is a good novel by any standards; ______ it should rank high on any list of

A. consistently
B. consequently
C. invariably
D. fortunately

查看答案

It can be inferred from the passage that a woman with a Ph D in psychology who gives a lecture to a group of students is probably MOST concerned with ______.

A. whether her students learn the material
B. what the males in the audience think of her
C. how she comes off as a speaker in psychology
D. whether a man challenges her

查看答案

设函数f(x)在点x＝a处可导，则函数｜f(x)｜在点x＝a处不可导的充分条件是()．

A. f(a)=0且fˊ(a)＝0 B. f(a)＝0且fˊ(a)≠0 C. f(a)＞0且fˊ(a)＞0 D. f(a)＜0且fˊ(a)＜0

野外我们第一眼就可以区别出森林和草地，首先依据的是生活型。 [ ]

相对于限制因子来说，改善主导因子获得的效益最大。 [ ]

Rim of Passage is a good novel by any standards; ______ it should rank high on any list of

It can be inferred from the passage that a woman with a Ph D in psychology who gives a lecture to a group of students is probably MOST concerned with ______.

A. f(a)=0且fˊ(a)＝0
B. f(a)＝0且fˊ(a)≠0
C. f(a)＞0且fˊ(a)＞0
D. f(a)＜0且fˊ(a)＜0