名校
解题方法
1 . 如果函数
的定义域为
,对于定义域内的任意
,存在实数
使得![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61593bf4a3ddaf2fb75e61e1e0ad47ae.png)
成立,则称此函数具有“
性质”;
(1)判断函数
是否具有“
性质”,若具有“
性质”,试写出所有
的值;若不具有“
性质”,请说明理由;
(2)已知
具有“
性质”,当
时,
,
,求
在
上的最大值;
(3)设函数
具有“
性质”,且当
时,
,求:当
时,函数
的解析式,若
与![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cca39b30b0b8e769293e13546b91f35.png)
交点个数为1001个,求
的值;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61593bf4a3ddaf2fb75e61e1e0ad47ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebfb6dca037882e0aac967247cab147e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c410536b4b795809f155e107bed17f.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c410536b4b795809f155e107bed17f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c410536b4b795809f155e107bed17f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c410536b4b795809f155e107bed17f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e691589e9aafddefcbb613c7030f89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efe0f3f7c69c77538f33f754eff1f16b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995ec593baa4ef50b6d87c78380953d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c86c2570913b742194ae5cbb698d37d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b06ba630c1ea702753cb6bbc8099aafd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03e9b73f2a159a6d792e6bae41a706c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cca39b30b0b8e769293e13546b91f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f79b8690c922e042e422cda331fbdfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-03-03更新
|
325次组卷
|
2卷引用:上海市延安中学2017届高三上学期期中数学试题
名校
2 . 已知函数
,若函数
过点
,那么函数
一定经过点____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/803b2de32177f5ebb64b38115356f388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aedbb6ef416190206d4aff0cdf45711.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/594315fbc7ef342aa6bd0cb4afb32de6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fd713a9809d5df1de33c6f11b81eca7.png)
您最近一年使用:0次
2019-01-29更新
|
461次组卷
|
3卷引用:上海市闵行区2018—2019学年高一上学期质量调研考试数学试题
名校
3 . 考虑下面两个定义域为(0,+∞)的函数f(x)的集合:
对任何不同的两个正数
,都有
,
=
对任何不同的两个正数
,都有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f24144e14e27211f402d246b21e36bb1.png)
(1)已知
,若
,且
,求实数
和
的取值范围
(2)已知
,
且
的部分函数值由下表给出:
比较
与4的大小关系
(3)对于定义域为
的函数
,若存在常数
,使得不等式
对任何
都成立,则称
为
的上界,将
中所有存在上界的函数
组成的集合记作
,判断是否存在常数
,使得对任何
和
,都有
,若存在,求出
的最小值,若不存在,说明理由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28e8b96009a5b98b6b14e44db6048693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bff60eab72de85437e12806474281612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632515612fca3258be8e85afe409ddba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89e32039addb008103a2a8344225214a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/803994e1e48657861b25cb50909a007b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bff60eab72de85437e12806474281612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f24144e14e27211f402d246b21e36bb1.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c6f87c648ae217497e6b8b863dd8163.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad2b95ec30b9dc93eeec582861b9c59b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e526f8bf94f126d6aa29c34c16c38b55.png)
![](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/e04fe966866f7ad311adedd93cf25c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad2b95ec30b9dc93eeec582861b9c59b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
4 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53c0adc6f7a6cdda135fcbd84133cf5e.png)
(3)对于定义域为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.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/abcd99148eeee345208830b0d9623eb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6582c364090c966ab2fe07be09a510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89e32039addb008103a2a8344225214a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d354ac8e0595051c7c0c2ca2015866d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e82c4003d20b36777f7aea584e3dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3029e1dcac54747531d96672f917d238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
2019-11-09更新
|
433次组卷
|
2卷引用:上海市复旦附中2019-2020学年高三上学期9月综合练习一数学试题
17-18高一上·上海浦东新·期中
名校
4 . 已知函数
的定义域和值域都是
,则实数
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb75cbe25682abd7d56969ce8e26bbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
5 . 已知函数
,
,函数
,记
.把函数
的最大值
称为函数
的“线性拟合度”.
(1)设函数
,
,
,求此时函数
的“线性拟合度”
;
(2)若函数
,
的值域为
(
),
,求证:
;
(3)设
,
,求
的值,使得函数
的“线性拟合度”
最小,并求出
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1adbb025e3b6634c2f5e1a40889d9604.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/689a2fa2ec3e37c5acf786658697b8a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311cff9a7159c55c44aa8be7a28bfc8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ced7931e3e2e2bb9dc6d38c822c9453.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a10f45674432012334770166a3df28fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914cb6f0947d79aa0805aafcf8bac008.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1adbb025e3b6634c2f5e1a40889d9604.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34094c493719582b4020ccb9599b374b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb7961cbe98aac6a5fdee94582c341b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3a4cb45ca6e42ced4a5c4026e2290f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88cdc21c30123b045d389610607a5b7d.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/771003aed4d4b3b7d25ef8c4eb178b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a10f45674432012334770166a3df28fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
您最近一年使用:0次
名校
6 . 若偶函数
在区间
上是减函数,
是锐角三角形的两个内角,且
,则下列不等式中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a50188f84f379b3d0418c54cbade7d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b68947b00b0cbdfe57ceda72ed09e59.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2020-02-10更新
|
341次组卷
|
4卷引用:河北省邯郸市永年区第一中学2019-2020学年高一下学期月考数学试题
名校
7 . 函数
是定义域为R的偶函数,当
时,函数
的图象是由一段抛物线和一条射线组成(如图所示).如果对任意
,都有
,那么
的最大值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854bf323c560599538e37465f5643aea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad186d9e625c71023946c369c8d5f92c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13502d46b8563c54c09b29b20b3006a4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/4d2e34f8-102a-4aa7-8c56-704f481825d0.png?resizew=256)
您最近一年使用:0次
2020-08-23更新
|
308次组卷
|
7卷引用:上海市青浦区2018-2019学年高一上学期终学业质量调研测试数学试题
上海市青浦区2018-2019学年高一上学期终学业质量调研测试数学试题上海市进才中学2019-2020学年高一上学期期中数学试题上海市莘庄中学2019-2020学年高一上学期12月月考数学试题(已下线)第3章章末复习提升(课后作业,)-新教材2020-2021学年高一数学同步备课(人教B版必修第一册)(已下线)【新教材精创】第三章函数练习(2)-人教B版高中数学必修第—册北京市门头沟区大峪中学2020-2021学年高一上学期期中考试数学试题(已下线)专题03 《函数概念与性质》中的易错题(1)-2021-2022学年高一数学上册同步培优训练系列(苏教版2019)
名校
解题方法
8 . 已知函数
的定义域为区间
,若对于
内任意
,都有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c5ea1b2590630b4468e9b73daca2f7a.png)
成立,则称函数
是区间
的“
函数”.
(1)判断函数
(
)是否是“
函数”?说明理由;
(2)已知
,求证:函数
(
)是“
函数”;
(3)设函数
是
,(
)上的“
函数”,
,且存在
使得
,试探讨函数
在区间
上零点个数,并用图象作出简要的说明(结果不需要证明).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1a5572bfcdb0a4905bf670613266a5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c5ea1b2590630b4468e9b73daca2f7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4db8805cda07838d256165991623acca.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/0cb9ad1e34877b0db02d0219332b0f7b.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c9320d009a17deba67f208c7d8be8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a84518e68c9e73dee93a8a3cafce4d26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3fa87a940e5467f0f5d2fec0cd3ddd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64cf0a7460760a6993e26d4590058cd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e33aa094296dbf59fcd88588ad86d434.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
您最近一年使用:0次
名校
解题方法
9 . 对于函数
,若在定义域内存在实数
,使得
,则称
为“局部奇函数”.若
是定义在区间
上的“局部奇函数”,则实数
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2b69b4d5775960c8982144e3531bf56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/395c2175d91d5eaac4c4b33ecfeb0f7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebd10759d08dd11cea9710e2ff2cb6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2020-02-08更新
|
318次组卷
|
3卷引用:上海市五校2016届高三上学期12月联考(理科)数学试题
解题方法
10 . 若
是奇函数,且
,当
时,
,则
的解集是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d540673cb5286eaa13a84e302e1a5270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
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