名校
解题方法
1 . 已知函数
,
是定义在R上的奇函数,且当
时,
,且对任意
,都有
.
(1)求使得
成立的x的取值集合;
(2)求证:
为周期为4的周期函数,并直接写出
在区间
上的解析式;
(3)若不等式
对任意
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f52f6ee8ead43c46f73102b87a2d943.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e46371f310e03a153a1698aad9d4c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d1a94ea3c278c2197572cc1b7725b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf565099b0d0f03e6b7d71d28bc129a5.png)
(1)求使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c8dc661be632c5ebbabb99096b064f7.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
(3)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/322130af4a36537472c54ef4b2cb47b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5ab4b75fa22deba7fcbcdcb31dd45b2.png)
您最近一年使用:0次
2023-02-19更新
|
621次组卷
|
3卷引用:江西师范大学附属中学2022-2023学年高一下学期期中考试数学试题
名校
解题方法
2 . 已知函数
,
,若对任意的x,y都有
.
(1)求
的解析式;
(2)设
,
(ⅰ)判断并证明
的奇偶性;
(ⅱ)解不等式:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17afd02a58c3d3c25ac4f8cab171e24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249a976e88133f3b3733f09137cf5c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac829d3069cf983b89b67c73544c8baf.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c15203cc22f37937619bc22b880f407.png)
(ⅰ)判断并证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
(ⅱ)解不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c954734b0cb6212c0e185cd910bb7338.png)
您最近一年使用:0次
2022-12-17更新
|
340次组卷
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2卷引用:江西省宜春市丰城第九中学2023届高二下学期(重点28、29班)开学质量检测数学试题
解题方法
3 . 已知函数
是R上的奇函数.
(1)求实数a的值;
(2)请用单调性定义证明
在R上单调递增;
(3)解不等式:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49855f7ceedbab18b75d78a02ee00ad5.png)
(1)求实数a的值;
(2)请用单调性定义证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(3)解不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a140fa28074274140d1b57d39519bc95.png)
您最近一年使用:0次
2021-08-24更新
|
237次组卷
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2卷引用:江西省九江市修水县2020-2021学年高二下学期期末数学(文)试题
名校
解题方法
4 . 已知函数
.
(1)判断
的单调性并用定义证明;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac848329f74c7dc6880bc700a238324.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f528b6d1e06da8401f27230afae1c416.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-01-22更新
|
759次组卷
|
4卷引用:江西省宜春市丰城市东煌学校2023-2024学年高一上学期期末数学试题