已知函数
,
,
.
(1)若函数
在区间
上不是单调函数,试求
的取值范围;
(2)直接写出(不需要给出演算步骤)函数
的单调递增区间;
(3)如果存在
,使函数
,
,
在
处取得最小值,试求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c489f5d8cb7d145b7dc95095affc5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)直接写出(不需要给出演算步骤)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c65234e739077da67d2eadb2be19ba1.png)
(3)如果存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a8580d8de5af7746aec9db68a809b34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b42475e0aa34e917432e26b21b3af6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408ead07637348d3b8e29ef2ea338011.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320c73734fc31589c361061865947ced.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
11-12高三上·甘肃兰州·期中 查看更多[1]
(已下线)2012届甘肃省兰州一中高三上学期期中考试理科数学试卷
更新时间:2016-12-01 01:12:37
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名校
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,
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf999d12ce20689e6560197c286763b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c76de293c85fff13097bf6b9f5114d3.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e03ad0c315806342d6cd732a0b91a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba1e881e470c71409dc8652d7e729275.png)
(2)若对任意的
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bd1ededebcdb22583a375f0d56b643e.png)
(1)讨论
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
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