1 . 已知
是定义在
上的函数,且对任意的
,同时满足下列条件:①
;②
,其中
是大于1的常数.记
,且对任意的
,存在常数
,恒有
,则
的一个值是__________ ;若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb6343d83fcbf9ef2a2e3d63bcd7bf66.png)
__________
.(用
表示)
![](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/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46074d28f2f23e5026fff76594e32ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b26b0960f01533ae7c120f0d9831392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fafeae53499e1b6935c7f32d0a652516.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b452e6fc74f3fd4dca0d7f68e719261.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1017c3c983d190798812f082957888cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6691894fe61c7e78b94df72b8379130d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb6343d83fcbf9ef2a2e3d63bcd7bf66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23b63663851c6911a194e531e6e7bd5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024·全国·模拟预测
2 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/348f85bb7bb73a94203f6d452b769bc3.png)
________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/348f85bb7bb73a94203f6d452b769bc3.png)
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3 . 已知
,且
,若
,且
,则正整数
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da32adb27f0b1165ff54ae424d3e8b8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6941c343e7d71a66146dc40bf148c9a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6e46773d78620bb2abe768647839649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7dcdc12243229c38d59daec142c4d50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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名校
4 . 在高度为
的竖直墙壁面上有一电子眼
,已知
到天花板的距离为
,电子眼
的最大可视半径为
.某人从电子眼正上方的天花板处贴墙面自由释放一个长度为0.2m的木棒(木棒竖直下落且保持与地面垂直),则电子眼A记录到木棒通过的时间为______ s.(注意:位移与时间的函数关系为
,重力加速度
取
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bdd308966a9855bf21969ba22577e2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd747227616aa7b8f55b52912530d066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a73babc7157e66044b22633f1a3609.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d003cbec53809e4a04d493e7f9cb104.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/276509f01529d982ab21e479a4619268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf189a86ac788e61722281a7b1ed7b8e.png)
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名校
5 . 设
,对任意的实数
,记函数
(
表示
中的较小者).若方程
恰有5个不同的实根,则满足题意的条件可能为___________ .(填写所有符合题意的条件的序号)
①
;
②
或
;
③
;
④
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/911fc7eab7f260fe061957ee9b548fb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba0898d7174604fa223558cb25b4c78b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e133bf93b2fe08afaa8f96ce919de0f6.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1fbe82295863faba6876c7b13d05ddb.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26492a3f9e0ea6f661d177330b83de72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1d86b4ad722d7b720603eba9d330fd1.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad03d15ddcafb8abe3b8ac0520a88053.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbe3d09f0ec653a57568fbd7ed5fc585.png)
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2024-04-24更新
|
296次组卷
|
2卷引用:陕西省安康市高新中学、安康中学高新分校2023-2024学年高三阶段性测试(八)理科数学试题
6 . 若不等式
或
只有一个整数解,则称不等式为单元集不等式.已知不等式
为单元集不等式,则实数a的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeee168cba61451175912912339555c4.png)
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2024·全国·模拟预测
解题方法
7 . 已知
为均不等于1且不相等的正实数.若函数
是奇函数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/549f99e6e10e61af2e7734c4d01ea90c.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/369a286ac1b24a473e5a1c05baabf214.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/549f99e6e10e61af2e7734c4d01ea90c.png)
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8 . 设A,B为两个非空有限集合,定义
其中
表示集合S的元素个数.某学校甲、乙、丙、丁四名同学从思想政治、历史、地理、物理、化学、生物这6门高中学业水平等级性考试科目中自主选择3门参加考试,设这四名同学的选考科目组成的集合分别为
,
,
,
.已知
{物理,化学,生物},
{地理,物理,化学},
{思想政治,历史,地理},给出下列四个结论:
①若
,则
{思想政治,历史,生物};
②若
,则
{地理,物理,化学};
③若
{思想政治,物理,生物},则
;
④若
,则
{思想政治,地理,化学}.
其中所有正确结论的序号是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069ec439d599e7989e74f4c4ac91d65f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/911cdb689ca80557ce076cb49b3ee498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f30f56664446f32dbbc2c5f12a99374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3dabace330ccdd9755fbcf32d5d6343.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b625192d7398634a02ea24fa78ed87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef354e5c5ff828cc8d27c71badd40f98.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d10b9f228c9a255aca3ace899db760d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9620357ea5be4037cfdccd09a27d3862.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9b4f81050636eac5b4f064fa0f06313.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9620357ea5be4037cfdccd09a27d3862.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9620357ea5be4037cfdccd09a27d3862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a41bbaf9ee8f16ee2ab343dc164a8e48.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231bca548a6ffe3013474743e1b5d039.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9620357ea5be4037cfdccd09a27d3862.png)
其中所有正确结论的序号是
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2024·全国·模拟预测
9 . 已知函数
满足
,且当
时,
,有以下四个结论:①
的值域是
;②
在
上有8个零点;③若方程
有4个不相等的实数根,则这4个实数根之和为12;④若方程
有4个不相等的实数根,则
.所有正确结论的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e298fe246eef819dd9b1edabe3bb9cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/389c07d27ee85fc5eb2203cd15710601.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/facd6be947e37552dfa0565d1f21e380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0167434c2c1a16e59e89d436ac0a1278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/315d0ed88a86c3d57dba2c6df71fc03f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb9c5ed3eedf1de309b17e0a97f3a79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7324fe0f3aa80b29d23fc0207859b90a.png)
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10 . 甲、乙、丙三辆出租车2023年运营的相关数据如下表:
出租车空驶率
;依据以上数据,小明建立了求解三辆车的空驶率的模型
,并求得甲、乙、丙的空驶率分别为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
_______ (精确到0.01)
甲 | 乙 | 丙 | |
接单量t(单) | 7831 | 8225 | 8338 |
油费s(元) | 107150 | 110264 | 110376 |
平均每单里程k(公里) | 15 | 15 | 15 |
平均每公里油费a(元) | 0.7 | 0.7 | 0.7 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69e6da2364add48ae7f6ff8435cbda6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b647d4096110f37983aa7cba7c57629.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acd9ae72c2a50be0fcb60f4196bf31f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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