解题方法
1 . 已知集合
(其中
是虚数单位)
,定义:
,
.
(1)计算
的值;
(2)记
,若
,且满足
,求
的最大值,并写出一组符合题意的
、
;
(3)若
,且满足
,
,记
,求证:当
时,函数
必存在唯一的零点
,且当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/531f55c9de4647282bc0424a81f4fd25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ddb621d78a738eba6ebafecbbd7d06e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47aa3fcf666d1169ceca5e1e720b926e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17ccc73232efc9d641adcbae21035944.png)
(1)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d0ff8b406a295a58f4fbb36b4c292fa.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1be674fcbd2fd1a608fd4a9705c70db4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20e7c6170cd75c5a40d7e695eda15e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e95d018246b699601d127e79ec46131.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71f82089a3186fdffaa2535faebd3d28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b54286fe72b8305272c36c0a3a8d2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2f7d480cfc89b872404666083e62db7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/546ababc482b51df95c4aba05ee18c40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d828db2a08e2a1da164a0012cc6627a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661249bf6499017f9e5e03db3fcd93d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abb76da45ffa52b47c3a6b9a03ac7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0d5ec74c81f7d02f273f7eecefaf9a7.png)
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2 . 已知
是定义在
上的偶函数,当
,且
时,
恒成立,
,则满足
的
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4fdd7c4c8313a9f9df525a4a3e46d2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c28967904a688343761d856a8c29d55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93acdd1905e7b9374f0644820fb3fd71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/819db5ade82b0659c2f6c1f33dc68384.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
3 . 已知函数
.
(1)若函数
为奇函数,求实数
的值;
(2)求函数
的值域;
(3)求函数
的单调区间;
(4)若关于
的不等式
的解集
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82fa3d1f6c418c27e89ff30430f7b0e9.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(4)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0117fc237a59fcc07a45d8bfbb9b8468.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13f177814752ff64f02a988c4bffe80a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
4 . 已知函数
.
(1)若
,
,设函数
,请求出
的值域并求证:
;
(2)若
,
,
,记
,且
是一个三角形的三条边长,请写出方程
的所有正整数解的集合;
(3)若
是一个等腰钝角三角形的三条边长且
为最长边,求证:
在
时恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b5905520c2d7ba5536552341573fa37.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca27cc54ca0332245f5167488daa3408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4580cc037c0c760c728cdbb74a8154c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/954e74ff18fc27295263b862e7b559fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6a917e05cfca420bd81408cc7a02133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e399dbac2fed2f3f99ef9cfce9b5123a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75d508536d0c182db3e7f81a919793de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6996c86f28de1714e1ccd1c4f77aaa51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b93521270f25a0bcf1618b39808369f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb6f261914d5f3fdf29325d812af540.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4c77befb23ddbca57b9c341f5b9412e.png)
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5 . 已知函数
,下列四个命题正确的是______ .(只填序号)
①函数
的单调递增区间是
;
②若
,其中
,
,
,则
;
③若
的值域为
,则
;
④若
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dde2a965644fb3271f5d1499a6d0f1a8.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e9cb0c55afd6604ca0a05b5e0ec6d26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bbb1af40cb43a243938534580b84559.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd45196ee60ef6f01c9c8f262777115c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f83fb225dae1f42c3eb8da461fe61b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca27cc54ca0332245f5167488daa3408.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6d1422d2776494cfd5e8ca695bc0e05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66a09145206ea1060dbba927a9d12569.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8974344dff2bc357c7e63b84dbd05517.png)
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解题方法
6 . 已知正实数
满足
则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aef6e9dfd58cfd234fa1be807fd5bb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b80fd3e7d8b89e0aab95a769c2ec39c7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-04-14更新
|
728次组卷
|
3卷引用:河北省保定市第一中学第八届1+3贯通班2023-2024学年高一下学期期中考试数学试卷
河北省保定市第一中学第八届1+3贯通班2023-2024学年高一下学期期中考试数学试卷重庆市2024年普通高等学校招生全国统一考试高考模拟调研卷(五)数学试题(已下线)重难点突破01 玩转指对幂比较大小(十一大题型)-2
名校
解题方法
7 . 设函数
,
,
,若
,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ef8b24e48758bbed0d8b8942f020049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7ab586aefae2e8c69d0b165f7a1a8ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24aa16b780156e18f12baa2b8ee0f9a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff20e95162d66c00f30b4b35d0d4f20d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2卷引用:安徽省淮北市濉溪县临涣中学2023-2024学年高一下学期第一次月考数学试题
名校
解题方法
8 . 设
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92a3ee4f5ffc886a2253ce1af9ef3138.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018392de944196baa45e9807cb47db78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/effca0e7f57bc9a017961814ed3727f5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-03-29更新
|
303次组卷
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4卷引用:湖南省衡阳县三校联考2023-2024学年高一下学期3月月考数学试题
湖南省衡阳县三校联考2023-2024学年高一下学期3月月考数学试题湖南省部分学校(邵东市第三中学等)2023-2024学年高一下学期3月阶段性考试数学试卷(已下线)专题9 式子大小判断问题(过关集训)(已下线)重难点突破01 玩转指对幂比较大小(十一大题型)-1
名校
解题方法
9 . 已知函数
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b226da37c1a73628eb3cb41b7eef3b22.png)
A.![]() ![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
10 . 已知函数
且
.
(1)若
,求不等式
的解集;
(2)若
,是否存在
,使得
在区间
上的值域是
,若存在,求实数
的取值范围;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad169cd4a58889907f54f04707b59fae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb1ebc40126e8670e98e25c50f042511.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8493a0cd10d3d0399173c04163740a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e799e937076aa5a7dcd51cdc0f40f6b0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e310653f87fe78a5ec8b87f205fa1635.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70657d6c50f59adc8fe76dcd35de8bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa208c8bab34df3e76f87552abc985c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/182930dfaf54db6d4beefeee7e3b82cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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