简答题:已知函数f(x)=(a+1)lnx+ax2+1. (Ⅰ)讨论函数f(x)的单调性; (Ⅱ)设a≤-2,证明:对任意x2,

  • 题目分类:数学(文科)
  • 题目类型:简答题
  • 查看权限:VIP
题目内容:
已知函数f(x)=(a+1)lnx+ax2+1.
(Ⅰ)讨论函数f(x)的单调性;
(Ⅱ)设a≤-2,证明:对任意x2,x2 (0,+),|f(x1)-f(x2)|≥4|x1-x2|.
参考答案:
答案解析:

A  It was a village in India . The people were poor. However

AIt was a village in India . The people were poor. However , they were not unha

查看答案

下列理解和分析,不符合原文内容的一项是(  )

下列理解和分析,不符合原文内容的一项是(  )A.当我们说孔子思想影响了中国两千多年的时候,是董仲舒、朱熹等人的思想影响也一起考虑在内而这样说的。 B.有人说,

查看答案

自然科学家为破解蒙娜丽莎微笑之谜做出的种种努力,从艺术审美的角度看,是否有意义?请谈谈你的看法。

自然科学家为破解蒙娜丽莎微笑之谜做出的种种努力,从艺术审美的角度看,是否有意义?请谈谈你的看法。

查看答案

According to the text, Kody ______.

According to the text, Kody ______.A.feel lonely because of his illness B.benefi

查看答案

AChristopher Thomas, 27, was a writer by night and a teacher

AChristopher Thomas, 27, was a writer by night and a teacher by day when he noti

查看答案