解题方法
1 . 已知函数
(
且
).
(1)求
的定义域;
(2)是否存在实数a,使得当
的定义域为
时,值域为
,若存在,求出实数a的范围:若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e836b70c471f476b6a3e0260600cb4c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae018fde08edf0539089f98c17e11ff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd594e99f82b7736c44e18b2721e607f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
(2)是否存在实数a,使得当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/184390adf1777b9bbfbd55b8a988468a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c12cf5764f5e450c4d1c6c8f486af1.png)
您最近一年使用:0次
解题方法
2 . 已知函数
的图象关于原点对称.
(1)求
的值;
(2)若
,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/297c7cc93ff9cee67ddbdd9422564077.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3993391fe16e7315c4d92af28c03fa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90f82bc921bbea420e4c526cb489e430.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-11-21更新
|
1475次组卷
|
2卷引用:广西贵港市2020-2021学年高一期中数学试题
名校
3 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3156484e3fe74ed424b5e1353d3923f6.png)
,
(1) 判断
的奇偶性并证明;
(2) 令![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35ce3592e99552419126a7f9bf7d0638.png)
①判断
在
的单调性(不必说明理由 );
②是否存在
,使得
在区间
的值域为
?若存在,求出此时
的取值范围;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3156484e3fe74ed424b5e1353d3923f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04731ef4f6189a8f8586049b9d948e41.png)
(1) 判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6bfdb24ecf5da863405c2b40936ff9.png)
(2) 令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35ce3592e99552419126a7f9bf7d0638.png)
①判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd330acca8e17f5ff9aca1f0f312df50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caa36d46ce72f84c4e23131a4f1f5854.png)
②是否存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fca6fbf10f2b7727d79a35bc0c35676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba4e318eba446aef74e47ff27fda7bc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a2d2b138e064dbf6db0fa17f7d84377.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e42eb51a416dd485c19c428f0a15b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2019-11-30更新
|
618次组卷
|
2卷引用:广西示范性高中2023-2024学年高一下学期3月调研测试数学试卷