解题方法
1 . 设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2f1a326456ba10c718efdcf7d525e6a.png)
且
.
(1)若
,判断
的奇偶性和单调性;
(2)若
,求使不等式
恒成立时实数
的取值范围;
(3)若
,
且
在
上的最小值是
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2f1a326456ba10c718efdcf7d525e6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1e54332de095f752d0ee48e58d90517.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04d8742c296a7949b598114a34c51f69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/103b6e926aa13321a82b2d57b5844a44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56fbec93189276445b83c6df4e9f4866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683a34e929399278f319421486390cd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.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
2 . 已知函数
.
(1)当
时,解不等式:
;
(2)若函数
在
上的最大值为
,求
的值;
(3)当
时,记
,若对任意的
,函数
的图像总在函数
的图像的下方,求正数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc391884cb2d4e69c318015ed1cc5724.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41bec4d534507843da676c3cf84acdd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a1230fedeac230a151ba0d84bfc275d.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b081b1439dd4a3f6dafec805b6785700.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6070f2ee5e48cce77eb4a2cb9f11ccfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4096ebda06e298e48c475986932e4829.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3ad4b6efae29ab7dec69eedf348eaa0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f58427d5aa7deeca47c8789241913f30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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3 . 若函数
与
满足:对任意的
,总存在唯一的
,使
成立,则称
是
在区间
上的“
阶伴随函数”;对任意的
,总存在唯一的
,使
成立,则称
是区间
上的“
阶自伴函数”.
(1)判断
是否为区间
上的“2阶自伴函数”?并说明理由:
(2)若函数
为区间
上的“1阶自伴函数”,求
的值;
(3)若
是
在区间
上的“2阶伴随函数”,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37cb15d282a40c780c2b68287e47867e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28e384ba050b238e11f7c74d3002aab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41286a1ca05dc551a9f734e6ed89996f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37cb15d282a40c780c2b68287e47867e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28e384ba050b238e11f7c74d3002aab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d614149b4f8a4123f02eb034d424082d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04beea76c59a6c5b096d8c5a3b77f8a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fab11f38ab8593932082ec4d9c8c91f.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/349ffce689b73a59fa128696cbdc3477.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a56f6515ee0e119392956c2fe3c4e8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab53100918ee568f0fb7a3af889c97ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4afe30f874ba1a00ccdf5fe6999fbad4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
4 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b0eb664357c9c340ca3c6a4edad3fb.png)
(1)若关于
的不等式
的解集为
,求实数
的值:
(2)若函数
在
上的最大值为2,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b0eb664357c9c340ca3c6a4edad3fb.png)
(1)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4036d58e17c78bd92203c33fbbf61696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3fd1e4a264b9c256df782129b4b312.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b3afee040e9a88f0a9d6114a5b929e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1417a39c99b1e6b489c7c033a0625af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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5 . 设函数
,函数
,其中
为常数且
,令函数
为函数
和
的积函数.
(1)求函数
的表达式,并求其定义域;
(2)当
时,求函数
的值域;
(3)是否存在自然数
,使函数
的值域为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/904487574280312eee25710b0932a142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9109aa9eaad8ad65ea8d07be331f181.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a51e2b8f615b2cc7eca7fda25efb507d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)是否存在自然数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58faa8680b033cde9b636c57a9fe9deb.png)
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6 . 已知
,其中a为常数.
(1)当
时,解不等式
;
(2)已知
是以2为周期的偶函数,且当
时,有
.若
,且
,求函数
的解析式;
(3)若在
上存在n个不同的点
,使得
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d419296a8cb4b532966919667e3173b8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d0cd47609b9d1865dfff4979161cf5.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e46371f310e03a153a1698aad9d4c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2401f1358466ad761052b98564ae5873.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ac9eb4f13a6ec140f7050e8d7dde52c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73403af0e659b0d37e0f0b6edf269eb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4742ea2b3b11bc2ac2ba2ef2a215170.png)
(3)若在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5432187d1c042787433b7633292d00fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f29a0dfae7f7216edf2a5f7b2b71eb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30b9ace6099b54a09039d4fb4b8dd4b9.png)
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2022-11-03更新
|
270次组卷
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2卷引用:上海师范大学附属嘉定高级中学2023届高三上学期期中数学试题
名校
解题方法
7 . 已知集合
,其中
且
,记
,且对任意
,都有
,则
的值是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6943459f350623940e05869ffa17693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84dededf0bca6907ca47d7ab4d8a154a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10609768b6708e5ed47d2fdf2ce48ceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b36bca4b0fe91679de1f468ebe4021cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfcd04b625189228b6d697edf095f7c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4077d5b51cc3c00e7d2b8038035dc1.png)
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2022-07-13更新
|
1471次组卷
|
5卷引用:上海市上海中学2023届高三上学期期中数学试题
上海市上海中学2023届高三上学期期中数学试题上海市复旦大学附属中学2021-2022学年高二下学期期末数学试题第5章 函数的概念、性质及应用(B卷·能力提升练)-【单元测试】2022-2023学年高一数学分层训练AB卷(沪教版2020必修第一册)上海市位育中学2023届高三三模数学试题(已下线)上海高二下学期期末真题精选(压轴60题35个考点专练)-【满分全攻略】2022-2023学年高二数学下学期核心考点+重难点讲练与测试(沪教版2020选修一+选修二)
名校
解题方法
8 . 已知函数
是定义域为
的奇函数,且当
时,
.若函数
在
上的最小值为
,则实数
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0372fd1b0e37520075961b36ef0a6f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/524437c6d5fe82fde180e2e7e1be1821.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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|
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5卷引用:上海南汇中学2023届高三上学期期中数学试题
上海南汇中学2023届高三上学期期中数学试题上海市嘉定区第二中学2022届高三下学期模拟数学试题(已下线)2023年上海高考数学模拟卷01(已下线)专题03 函数的概念与性质(模拟练)-1(已下线)考点4 函数的值域(最值) 2024届高考数学考点总动员【练】
名校
9 . 若关于
的不等式
的解集为
,则实数
的范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfa679694f6dc1ed58743cd6e8241fdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2022-02-15更新
|
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4卷引用:上海市晋元高级中学2020-2021学年高一上学期期中数学试题
上海市晋元高级中学2020-2021学年高一上学期期中数学试题上海市崇明中学2023届高三上学期10月月考数学试题(已下线)专题03 函数的概念与性质(练习)-2(已下线)5.3 函数的单调性(练习)-高一数学同步精品课堂(苏教版2019必修第一册)
20-21高三·江苏·强基计划
名校
解题方法
10 . 若对任意实数x都有
,则a的取值范围为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f43267a359074a0af838670ced6f37c0.png)
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