解题方法
1 . 已知函数
是定义在
上的奇函数,且
.
(1)求函数
的解析式;
(2)判断函数
在
上的单调性,并用定义证明;
(3)解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2669763a885e16e6958be7931226cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bd5d9a0546ffd8724a6f4ae963a96d2.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
(3)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4db244927751fd53e8695021dc9b4e9.png)
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解题方法
2 . 已知定义域为
的函数
是奇函数.
(1)求
,
的值;
(2)已知
在定义域上是增函数,解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ab84545ef7cef684c4fff2984131ed.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4efa6ca96748c6491a70f1f9fcba3f93.png)
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解题方法
3 . 已知a,b为实数,函数
.
(1)已知
,讨论
的奇偶性;
(2)若
,①若
,求
在
上的值域;
②若
,解关于x的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44094a37d43d171d9ef4406c606c36b9.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b97ab84192e12bb292bc9fbd0b29fbee.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6455e38ff53ede2508e4d9cb23f0b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
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4 . (1)解关于
的不等式
.
(2)若对任意的
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3e5ec013e97cfd1e54827419814d91a.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9db483bb6c5951e070899d4d5dae29a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
5 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5304fedf36fc632d02303cd6602c0ec.png)
(1) 解关于
的不等式:
;
(2) 若函数
的定义域为
,有
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5304fedf36fc632d02303cd6602c0ec.png)
(1) 解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d171fda42655667d4060378a8cd27ef9.png)
(2) 若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aadc68ed399afd6db385dae5e963c97a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969befef097f30fa8abb9d484a2c46a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2021-12-02更新
|
223次组卷
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2卷引用:江苏省镇江市六校联谊2021-2022学年高一上学期期中联考数学试题
名校
6 . 已知函数
.
(1)判断函数的奇偶性,并证明;
(2)解关于
的不等式
;
(3)当
时,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/389b65da5b415c8be58200d10d13b346.png)
(1)判断函数的奇偶性,并证明;
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28a8661268e263519a7362fdbbfb9678.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/123bf3451e1cd6900508c4e3560a81f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0461989b649bfb0b3a0af572da56d70d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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7 . 已知函数
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/799990eafccad94d82b92ca0e6d699ef.png)
(1)解关于x的不等式;
(2)对任意的(﹣1,2),
恒成立,求实数k的取值范围.
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2018-12-04更新
|
349次组卷
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2卷引用:【市级联考】江苏省镇江市2019届高三上学期期中考试数学理试题
8 . 已知
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3a98366db6e2712d4ce95e4cd8c65ba.png)
![](https://img.xkw.com/dksih/QBM/2018/12/7/2091540524154880/2093829085388800/STEM/f78e4f0a9262404a9f559efd2b737e44.png?resizew=211)
当
时,在所绘出的坐标系内作函数
的图象,并写出函数
的增区间;
解关于x的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ec5bce37c9f6932972a7dd3d084a3f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3a98366db6e2712d4ce95e4cd8c65ba.png)
![](https://img.xkw.com/dksih/QBM/2018/12/7/2091540524154880/2093829085388800/STEM/f78e4f0a9262404a9f559efd2b737e44.png?resizew=211)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8551f11a5e39be9c4ad9e7e8fcdb27e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f06d9130996aeeba4aef05bed21aef90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f06d9130996aeeba4aef05bed21aef90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ca971590eccabc17551465bbaf24a1.png)
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9 . 已知函数
(其中
),
.
(1)若两个不等的实数
,
满足
,且
的最小值为
,求函数
的单调减区间;
(2)若方程
在
上恰有唯一实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2c2be3ff2d399a8415dbb1fac3d74b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(1)若两个不等的实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e71b7cc594da8081cc8599f6e2c529.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3d8f824c2e65697997e11cac0a09534.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55cfcbb5c5950e18a8452b38bb17036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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解题方法
10 . 计算:
(1)
;
(2)求不等式
的解集.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9e8a182716dd9baa7a40173d06024c5.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7bf8efa4ef682821f18291d2f0cdd12.png)
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2023-11-23更新
|
776次组卷
|
2卷引用:江苏省镇江市扬中市第二高级中学2023-2024学年高一上学期期中考试数学试卷