设
是由满足下列条件的函数
构成的集合:①方程
有实数根;②函数
的导数
满足
.
(I) 若函数
为集合
中的任意一个元素,证明:方程
只有一个实数根;
(II) 判断函数
是否是集合
中的元素,并说明理由;
(III) 设函数
为集合
中的任意一个元素,对于定义域中任意
,当
且
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd689fbacfbe6c1bd0953521bbf3638b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8f3ed0020216a8fa9049e5e6962f51.png)
(I) 若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd689fbacfbe6c1bd0953521bbf3638b.png)
(II) 判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90c976725a1184854df63acc95acba3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(III) 设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2073ef3fe0684a34b4049626929d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aadf626bff0bad4b0a098188d7795df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d84b974470ee6b6f59afa149929fde48.png)
2012·安徽·一模 查看更多[1]
(已下线)2012届安徽省江南十校高三素质教育联考理科数学试卷
更新时间:2016-12-01 17:25:37
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