解题方法
1 . 已知函数
(
),
.记
表示
,
中的最小者,设函数
(
),若关于x的方程
有3个不同的实数根,则实数m的取值范围为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/992c66b92964650a9f20a24c75069ebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec90f93919eb1d1a6b0ed9d05bf91c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e67fbb13f7d4b8abb69b93a398fb66ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bcf98ae4aff5b41b9356ee67ad9f562.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa6eb730e5d8734c4bc06334398aed74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d293aeb5230a2f3388d33a527e5f5d.png)
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2 . 已知函数
(
且
).
(1)若
,且
,求
的定义域;
(2)若
,函数
的定义域为
,存在
,使得
在
上的值域为
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1f30729daf2fbe0f8f339608cd64e30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2a51944c720568f35d443589dfc1aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.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/5313c921defe84689aefde4773ad2b56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/119b20f27ee885c82edf447d24cc0cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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3卷引用:湖南省百校大联考2023-2024学年高一上学期12月考数学试题
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3 . 已知函数
,若在定义域内存在
,使得
成立,则称
为函数
的局部对称点.
(1)若
且
,证明:函数
必有局部对称点;
(2)若函数
在
上有局部对称点,求实数
的取值范围;
(3)若函数
在
上有局部对称点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/744b07c137166e10db0b54001cb93a28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6197c1aa468bec795a0fbcc097cdc792.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6450ef54f5eb07e1961e2c76535944ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf10bf5b581a5826c48a1ba0b1d07529.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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3卷引用:湖南省长沙市明德中学2023-2024学年高一上学期12月月考数学试题
湖南省长沙市明德中学2023-2024学年高一上学期12月月考数学试题上海市浦东新区上海海洋大学附属大团高级中学2023-2024学年高一上学期第二次月考数学试题(已下线)第五章 函数的概念、性质及应用全章复习-【倍速学习法】(沪教版2020必修第一册)
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4 . 已知函数
,若
满足
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd18b88c6b674a7f7b1bac886440017f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6983a32cbe55a07709e81bad0bb5f7ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32603b42ba5e2efe9a382d1d26940b25.png)
A.若方程![]() ![]() |
B.若方程![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() |
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2卷引用:湖南省岳阳市岳汨联考2023-2024学年高一上学期11月期中数学试题
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解题方法
5 . 已知函数
,则以下结论正确的是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0804c694b92d236499b316531fb236b1.png)
A.函数![]() |
B.![]() |
C.若![]() ![]() ![]() |
D.若关于![]() ![]() ![]() |
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解题方法
6 . 已知
为偶函数,
为奇函数,且满足
.
(1)求
,
;
(2)若
,且方程
有三个解,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/54874219e9084a77a9891fd51da7faef.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5657ec0e5d6e92e53e0314675cef1d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b83965b5331e13bf826da6417aea91f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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7 . 函数
.
(1)若
的定义域为R,求实数a的取值范围;
(2)当
时,
为定义域为R的奇函数,且
时,
,若关于x的方程
恒有两个不同的实数根,求t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a1bbd20e3530f75fc3c52a5648288f8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790b68061b533ed19f0c594314fc4dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8f432ff1145d529f680b88b8f767c5a.png)
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8 . 悬链线(Catenary)指的是一种曲线,指两端固定的一条(粗细与质量分布)均匀,柔软(不能伸长)的链条,在重力的作用下所具有的曲线形状,适当选择坐标系后,悬链线的方程是一个双曲余弦函数,其解析式为
,与之对应的函数
称为双曲正弦函数,令
.
(1)若关于
的方程
在
上有解,求实数
的取值范围;
(2)把区间
等分成
份,记等分点的横坐标依次为
,
、
、
、
、
,设
,记
,是否存在正整数
,使不等式
有解?若存在,求出所有
的值,若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea6d30f5080e0b5abd19388cf692505.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ece9be74b86b840885f5b869f476f938.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/009935dae2483304749bfa46ceb6eecc.png)
(1)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f182d62ec0878854941c254b34d8786e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f01a8fb2de5c86483d71a65fd3e1da6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)把区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa2362b35cf9d7c30d41e047de466278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ea8f47d8d8d9e1832d52b1c7425450.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c45176df950dfe48b8ca7eac08ee349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b53f7ddf019c9234ab67e70e150f0be0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68ee2cff7313e9edaa5b8b8a7527862c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d688971073c91c735e751d31277d08e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0112ab5328cf8f3d1891e6709241fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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9 . 设函数
和
的定义域分别为
和
,若对
,都存在
个不同的实数
,使
(其中
,
),则称
为
的“
重覆盖函数”.
(1)试判断![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e92e5f2c4b2f3d0ac6bfeb751132f125.png)
是否为
的“4重覆盖函数”?并说明理由;
(2)已知函数
为
的“2重覆盖函数”,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/6795cae2df43a722e1355e9562d93c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c296e45b84cf67a98939aa7334e7d478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f072f0c4c94a03e9b1783769d4ab9c74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b21200401207e190a1db6212023bf0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe44a5aed663a9b61ef7355b38c77d0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3163a29235b7a15c6f771f3c35cc068b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(1)试判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e92e5f2c4b2f3d0ac6bfeb751132f125.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0eb0dd62660356da46b39715bc72d94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fb7dfbb51e0760fa2922f4be6fd2e31.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc464b2c701da5d43a1ce9f7a96ce7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa88c20e58953bba4ed04d3ce419df95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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3卷引用:湖南省衡阳市第八中学2022-2023学年高一下学期3月月考数学试题
湖南省衡阳市第八中学2022-2023学年高一下学期3月月考数学试题福建省福州第一中学2022-2023学年高一上学期期末质量检测数学试题(已下线)第五章 三角函数(压轴必刷30题10种题型专项训练)-【满分全攻略】(人教A版2019必修第一册)
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10 . 已知函数
,
.
(1)判断并证明
在
上的单调性;
(2)当
时,都有
成立,求实数
的取值范围;
(3)若方程
在
上有
个实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e376c842a2c9d28900db4c9e3751c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc445531d0c1349a1bf4ec5af626c92.png)
(1)判断并证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998485ffeb46a0412ff1a0f814429257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a2c01ac2a7f6ad7e03cb7a61daefab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e40837e39c35cadfe99764eb30595ce0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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