题目内容：
对于函数f(x)，下列命题正确的是（ ）
参考答案：
答案解析：
单选题：对于函数f(x)，下列命题正确的是（ ）
- 题目分类：高等数学(一)微积分
- 题目类型：单选题
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设函数f(x)在点口处可导，且（ ）
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