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1 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f3acc1f1469b0b3b2f40cd10e0cad3e.png)
(1)求函数
的中心对称点;
(2)先将函数
的图象上的点的横坐标缩小到原来的
,纵坐标保持不变,再把所得的图象向右平移
个单位,得到函数
,解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f3acc1f1469b0b3b2f40cd10e0cad3e.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)先将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a93c6740f6a452fb9ca1eb03dca59345.png)
您最近一年使用:0次
2019-12-06更新
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1336次组卷
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3卷引用:重庆市开州中学2019-2020学年高一上学期期末复习数学试题
2 . 选修4-5:不等式选讲
已知函数
,
.
(1)当
时,解不等式
;
(2)若
对任意
恒成立,求
的取值范围.
已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2f4c3ab0413bd3fe0180952aeeedd68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3699e2ffd72da5e92067490fa8856aa.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d21db0e427984e9bf90ec5f491070da0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
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3 . 张老师整理旧资料时发现一题部分字迹模糊不清,只能看到:在
中,
分别是角是
的对边,已知
,
,求边
,显然缺少条件,若他打算补充
的大小,并使得
有两解,那么
的取值范围是____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1892446e9f5c057a6d72a64065d01ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c7d2df86ee897fffd62a719d889d791.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-05-07更新
|
604次组卷
|
4卷引用:重庆市开州中学2021-2022学年高一下学期第一次阶段性考试数学试题