12-13高一上·云南·期末
1 . 已知函数
的图象过点
和
.
(1)求函数
的解析式;
(2)试做出简图,找出函数
的零点的个数(不必计算说明);
(3)试用定义法讨论函数
在其定义域上的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1fb831c70e9094e2b1c85728f327a29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84aa4596928dcdde6a05fc9cf83cce20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/670f050f37e6c929cba66bd41c3de4d3.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)试做出简图,找出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3235ca06a5de2b59d245faab95b820af.png)
(3)试用定义法讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1528b0cdbfe6375c655d43cc696550ae.png)
![](https://img.xkw.com/dksih/QBM/2012/2/24/1570769846837248/1570769852481536/STEM/3f7d17d6e52f430dbd38da329ca71d67.png?resizew=368)
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12-13高一上·云南昆明·期末
2 . 已知函数
,
,其中(
且
),设
.
(Ⅰ) 当
时,判断并证明函数
的单调性;
(Ⅱ)若
,且对于区间
上的每一个
的值,不等式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56249d43922ff1f5c70f07ba2e81fc69.png)
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d97a953141d4d5c8482835033ce745ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/471d5f90b586243d9ca0803fec43a284.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae018fde08edf0539089f98c17e11ff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd594e99f82b7736c44e18b2721e607f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fcc436c8a923f41424a77eb86b89a68.png)
(Ⅰ) 当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c807f595f7ba9f64e5fa7c99ade2b724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff6c8b2a543df633d7ec8a3bd3c1ebb8.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f29a580395c016e9579d96a628880194.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9f88173ef0c29bedd0155b7893d2474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56249d43922ff1f5c70f07ba2e81fc69.png)
![](https://img.xkw.com/dksih/QBM/2012/2/21/1570759817920512/1570759823384576/STEM/43491f367ead42459b8c7aa00925143a.png?resizew=12)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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12-13高一上·云南玉溪·期末
名校
3 . 已知
.
(I)判断
的奇偶性;
(II)
时,判断
在
上的单调性并给出证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e00d873fa63ba3930b602468de597769.png)
(I)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(II)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7dcdd87d593df4a5c5e98d47fe1cfa6.png)
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2011高一·山东德州·学业考试
名校
4 . 设函数
,
(1)求证:不论
为何实数
总为增函数;
(2)确定
的值,使
为奇函数及此时
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07d28fd96a55f935ee1528bb1047f6fa.png)
(1)求证:不论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)确定
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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