名校
解题方法
1 . 设
,若在区间
上,关于x的不等式
有意义且能恒成立,则t的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51159984b2cb00f30b3986315019623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4359d13ea0544aeaa81a79d83fcf758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ca382d448a37942c3ee536525da6abc.png)
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解题方法
2 . 设函数
,若
恒成立,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e315a6683ed4833d621fbe0d190e0df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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3 . 已知函数
,记
,
,
,
.
(1)若函数
的最小正周期为
,当
时,求
和
的值;
(2)若
,
,函数
有零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e4ba784116a3c5f7754007f486b19fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb61a448347a3f8c1f126d1c00730cc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6742e9ed66a1f97e3113bb404daf239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dcee772e6187ac31d7f8d69b0487000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce0dc28340738e090bd10d6d675d8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01151b583febd1b0e124419394664a76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
4 . 已知
,函数
,若该函数存在最小值,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/606ef9cb8c9c4f61ab2acc4c11fec693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e13117cac3eb310a36fe099e6471dd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024高三·上海·专题练习
解题方法
5 . 已知函数
,设
的最大值、最小值分别为
,
,若
,则正整数
的取值个数是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84bada3e4ca7dfec636a7ebec3f48405.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37cfd57b8405efd0e3bfc03b7a78c5a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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6 . 对于函数
,若
的图象上存在关于原点对称的点,则称
为定义域上的“
函数”.
(1)试判断
,
是否为“
函数”,简要说明理由;
(2)若
是定义在区间
上的“
函数”求实数
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
(1)试判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab075bdf02a96fbeb8e34d45a9161ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78ead3a09ab58a63e58801974aeb1f39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b135729cc2457e5be654a34cdc958a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99662d6d4f85a87bb5d5408f4fba9b56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
7 . 已知函数
若对
,
恒成立,则实数
的取值范围为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0692e3a40477d2a9d278994357ab38d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b25ae827d58ce28dd01b4da7ee12a28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24275a2408af47811935ccb90e94ab36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-02-04更新
|
423次组卷
|
5卷引用:上海市浦东新区上海实验学校2024届高三下学期3月月考数学试题
8 . 定义:若
,则称
是函数
的
倍伸缩周期函数.设
,且
是
的2倍伸缩周期函数.若对于任意的
,都有
,则实数m的最大值为__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89bbd44f30ccc52f08aeff8a6566aa6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb52912a14ff077e0e2ae197d09da724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/193832a691c3fe376bde9ba572c1268e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3618fe959a18bf1c64983581fc342bb.png)
您最近一年使用:0次
名校
解题方法
9 . 已知函数
,若对任意实数
,关于x的不等式
在区间
上恒成立,则实数m的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9448542bd0fbe6d22ffdfbf1312561ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52fb51c831740d9fe307c03537080448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db64b3a1fb036b1e15ecc1420f008013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ca681ae72055316ef35c01fdb27034.png)
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2024-01-24更新
|
230次组卷
|
2卷引用:上海市新中高级中学2024届高三上学期10月阶段检测数学试题
名校
10 . 已知定义域为
的函数
同时满足:
①对于任意的
,总有
;
②若
,
,
,则有
;③
;
以下命题中正确的命题的序号为__________ .(请写出所有正确的命题的序号)
(1)
;
(2)函数
的最大值为
;
(3)函数
对一切实数
,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
①对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12aae852c3129efc16934aefc54201f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24cd2fe62ffe3caa1c6f7976851c9dc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2f51cd760aeff9365b51e9a85b41e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a55141a7ecd250e67d1228bdc3a1c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d87cd4403487962c38c8707ba3ab3fa3.png)
以下命题中正确的命题的序号为
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01bea8bf593f594c51fc7cc547482bee.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d3c756a52c9185ae6d02d9b9312f29.png)
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