12-13高一上·湖北荆州·期末
1 . 已知函数
.
(1)若使函数
在
上为减函数,求
的取值范围;
(2)当
时,求y=
的值域;
(3)若关于
的方程
在
上仅有一解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1592f7f1c0d4ed8d133e22a4a31aae3f.png)
(1)若使函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47a20433b8f3334c38cda540b5fe0037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2a8b8044825d59a09d5ff2efdc42981.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711176b6dfcddda0fcfa53205a8a4e48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dcee24c10880da02dd0491d73ca4e28.png)
(3)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4fa7b0c85f32a396db29a6c2664e983.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d4eaa7b143b4fa413de7f272f7d39a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0234137d003241f8e2cc9da085148b8.png)
(Ⅰ)若
,求函数
的单调区间与极值;
(Ⅱ)已知方程
有三个不相等的实数解,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0234137d003241f8e2cc9da085148b8.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)已知方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8284299e92413d7067c4c688620a4b38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-03更新
|
668次组卷
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2卷引用:2014-2015学年湖北省孝感高级中学高二下学期期末考试文科数学试卷