解题方法
1 . 已知函数
是指数函数,且该函数的图象过点
,设
是定义在
上的奇函数.
(1)求函数
的解析式;
(2)若集合
,求实数
的取值范围;
(3)若对任意的
,不等式
恒成立,求实数
的取值范围.(其中
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e970c7f3475d3fbfa01d06a3b43dd4e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb8997621a85b662eec0c993fb4d9be1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac66eb793b0bf5ba02c6a9f87cd9ca2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168163183a3d4663be45755f44676191.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff1379a723742c9132b85575d13a19b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5b5a11125264252cd8fb331e620f280.png)
您最近一年使用:0次
2021-11-26更新
|
298次组卷
|
2卷引用:河南省洛阳市2021-2022学年高一上学期期中考试数学试题
名校
解题方法
2 . 1.已知函数
,
,其中
为实数.
(1)当
时,
①求不等式
的解集;
②若不等式
的解集包含
,求实数
的取值范围;
(2)已知
在
时恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3e1c2abc2c7ade78e5fdf1de5c3b313.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7423c93e5a4c45799e62ece46f0b143.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
①求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447d6f62c09c1d05346fd16a24159f6e.png)
②若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efe3e4343523fe8010a1c1927cedfaf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9fc42960b56450a41f3d952ab23e9d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29aef458f2367b76432719f6f56275d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
3 . 设非空实数集
中存在最大元素
和最小元素
,记
.
(1)已知
,
,且
,求实数
.
(2)设
,
,是否存在实数
,使得
?若存在,求出所有满足条件的实数
,若不存在说明理由.
(3)设
,函数
在区间
上值域记为
,若对任意
,函数都满足
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cc6d063c729ead63517594e355600a8.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf4ab0a21457d9bda0c4c2920846ed4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870016ae8c86ab9743ea08abe8524b33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ab45f61b9961397eb1c6c467a7526d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c6dfc58e55c7542b4164feb1280ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f8bacb6f4dbd204504f1299a443e0d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ad986dfa21d3289298ba469baaf6552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a46aad39c3617bc635aec113d2ec52bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaca9c1dac608a386df1848e8459ce9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a829fdd8ec0f3b7ede883cf2c3e53b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb848c2e3353bcb126d14fed803fe2a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7562646285aeb2167c2734b4d2fdf91a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
4 . 已知函数
,若对于,
,
,都有
,则实数
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d4f73761a3788ba0fbb3ef72f3d0313.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/673207f6b77b8192d25463d071737b7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d495a13a2e3551f0ee3b20430fcfd092.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f15e7a742d7ee5b93f9bbd87ff60a91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
5 . 若不等式
对任意的
恒成立,则
的最大值为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19da714092a65eb842e8b3188fa2c936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/599b100243599b6dc57c333a829c129f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea104edee67fe9bf0754960bad8a1a31.png)
您最近一年使用:0次
2021-11-11更新
|
1139次组卷
|
3卷引用:浙江省浙北G2(湖州中学、嘉兴一中)2021-2022学年高一上学期期中联考数学试题
名校
解题方法
6 . 设函数
,若关于
的不等式
的解集为空集,则实数
的取值范围为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74d3a4fac4a7f3266965eca4eeabaaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1b4eab257560130907e8c8d4f664fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-11-09更新
|
1994次组卷
|
9卷引用:重庆市南开中学2021-2022学年高一上学期期中数学试题
重庆市南开中学2021-2022学年高一上学期期中数学试题江苏省泰州中学2021-2022学年高一上学期期中数学试题河北省邯郸市魏县2022-2023学年高一上学期期末考试数学试题(已下线)第二章 函数的概念与性质 第四节 二次函数(B素养提升卷)(已下线)第二章 一元二次函数、方程和不等式 章末测试(提升)-《一隅三反》(已下线)高一上学期第一次月考填空题压轴题50题专练-举一反三系列江苏省苏州十中2023-2024学年高一上学期10月月考数学试题(已下线)高一上学期期末考试填空题压轴题50题专练-举一反三系列(已下线)专题02 一元二次函数、方程和不等式3-2024年高一数学寒假作业单元合订本
名校
7 . 已知二次函数
满足
.
(1)设
,求
的最小值;
(2)若对
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea89fb796dea0e3e7571530eaee85bbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3587ff064f9af01371279ab75d22116c.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e462733c76b12d70c54317e9d55be79a.png)
(2)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/199986f8ee976344f155d372fcb4b94a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-11-08更新
|
617次组卷
|
2卷引用:湖南省长沙市第一中学2021-2022学年高一上学期期中数学试题
名校
8 . 已知函数
.
(1)当
时,解关于
的不等式
.
(2)当
时,解关于
的不等式
.
(3)不等式
对任意
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf7eefe4e2e46ca7a273151d76b23d58.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b61adc4745f283e4072ddd762f92ffe.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44aca6c00903b9dd306287ba3bb91035.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b61adc4745f283e4072ddd762f92ffe.png)
(3)不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df8357a1030a6fb852a8e9beaa352d1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
9 . 已知二次函数
,且
,若不等式
无解,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6afb09446a47d6dab5ee5befc740335.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec5bc0a1c9eb17ee77a0c05a65be7e75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/065c9fefa97a9043cd10392a498ec1d8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
10 . 已知
,函数
的最小值为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360ff131c51a4ef6745538c18cec92c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/649082b148b289fa1937fbcfae836140.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次