名校
1 . 已知函数
和
的定义域分别为
和
,若对任意
,恰好存在
个不同的实数
,使得
(其中
),则称
为
的“
重覆盖函数”.
(1)试判断
是否为
的“2重覆盖函数”?请说明理由;
(2)若
,为
,的“2重覆盖函数”,求实数
的取值范围;
(3)函数
表示不超过
的最大整数,如
.若
为
的“2024重覆盖函数”请直接写出正实数
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/f3eddf991be37d25d033f78bd3511809.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d5df7922a4e98e8e07bf418dd48a7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe44a5aed663a9b61ef7355b38c77d0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d1a18f254577a0ce74ceb27364b98.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/4b96b909824873058aebdaa54f6c21ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a264b8541eddc8ae86058de027d1a1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f246e5b05b68bb9fdeb12a319aa7136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa88c20e58953bba4ed04d3ce419df95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/240ca781ffd5d55cc9b7dd551879ce65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4987dca9120f6a58139fd3e412ed77c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a899e901b141a0a6d56e3387ecf9f047.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024-03-29更新
|
238次组卷
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2卷引用:湖北省鄂西南三校2023-2024学年高二下学期三月联考数学试卷
名校
2 . 已知点
,
是函数
图象上的任意两点,
,且当
时,
的最小值为π.
(1)求
的解析式;
(2)若方程
在
上有实数解,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45dddee525114c09ee0d1205aed6e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b3b54e0dcdc081d45fb3df933cddc29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e83afd20b2cf1d2cf2c14022514fd84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ab30faa78cc53c104f61b1cd906c365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca864ff1b61210bf34305c96eddd34e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc3efecd1b47849d86bc9648c3f1f0e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea9f4ad8ba067196724a6c13e30ff8eb.png)
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2024-01-12更新
|
437次组卷
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3卷引用:湖北省黄冈大光华高级中学2023-2024学年高一下学期第二次半月考数学试卷
3 . 已知函数
,若函数
图象相邻两条对称轴间的距离是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
(1)求
及
单调递减区间.
(2)若方程
在
上有解,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0938a8111b3a8fe7d31082188e73fc36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eb2e46f49adba6036e2624639a1b966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31d4e0c338a1027f89e8b9179c26e2.png)
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2023-08-11更新
|
1435次组卷
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6卷引用:湖北省鄂东南省级示范高中教育教学改革联盟学校2023-2024学年高三上学期期中联考数学试题
名校
4 . 已知函数
(
且
)为奇函数.
(1)求实数
的值及函数
的值域;
(2)若函数
在区间
上有两个不同的零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3e84c54819faad76629274727288b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52323bd2e6c8a3d24cb9c3e7aa7f9fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c36c3781d5caf82f3749cd503d23ad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
5 . 已知函数
.
(1)记集合
,若
,求证:
;
(2)设函数
,若存在实数
,使
,求实数
取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041d7fe67bbac3c33cf518b569e0db62.png)
(1)记集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b8ceab71f602458b1ef071c778ff31f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30f586ebc64ac4c87b1ceed35c8bdb7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/530d3bb7d7268d51194c09198531f19a.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f750d5d121271c431f35164f2f87212c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebc9176a9d1bf52fd1b4e58b88c46032.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2022-12-18更新
|
819次组卷
|
2卷引用:湖北省武汉市2022-2023学年高一上学期期末模拟数学试题(五)
名校
解题方法
6 . 已知函数
(
,且
).
(1)已知
,若函数
在
上有零点,求
的最小值;
(2)若
对
恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9498746c58679ce46d44d02edf8b6817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a59d9da97afe1dc9b77b8a76bf736b06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f4814d0860119e160262ede15c9aa1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa66623cf54b42d6d12be4c8edaa7071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a8988bebd88569ddd90b0f947afa20f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ab6701f69fe16326abd54cb852acbb1.png)
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2022-10-28更新
|
317次组卷
|
3卷引用:湖北省十堰市丹江口一中2021-2022学年高一下学期月考数学试题
湖北省十堰市丹江口一中2021-2022学年高一下学期月考数学试题陕西省渭南市蒲城中学2022-2023学年高三上学期第一次质量检测理科数学试题(已下线)期末考试押题卷二(考试范围:必修第一册全部)-2022-2023学年高一数学新教材同步配套教学讲义(苏教版2019必修第一册)
名校
7 . 已知函数
.
(1)令
,求t的取值范围并将
化为关于t的函数
;
(2)求
的最小值;
(3)若
在
上有零点,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53426e8969a43100fe688329979e4ce4.png)
(1)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e5c15c7e3f9ccfb19914c1a0d425881.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82a1224e47f31ecdfffd328d5a3ab6d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82a1224e47f31ecdfffd328d5a3ab6d.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1613d377a07850c72cbec354b7a3000f.png)
您最近一年使用:0次
2022-03-24更新
|
844次组卷
|
2卷引用:湖北省问津联合体2021-2022学年高一下学期3月质量检测数学试题
名校
8 . 已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfa785aabe81c50f51a10cd40b056746.png)
(1)若函数
在区间
上存在零点,求实数a的取值范围;
(2)若对任意的
,总存在
,使得
成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/939b11c9a275adcd01cdf818d11b5cc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfa785aabe81c50f51a10cd40b056746.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a50188f84f379b3d0418c54cbade7d7.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24f32052a47a062cb6f7d6628bbd1136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825cc31e88bd6aad2820fee76c0d2d78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd8fa71e4dfae1dc69a4b331fccd2368.png)
您最近一年使用:0次
2022-03-16更新
|
1746次组卷
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4卷引用:湖北省新高考联考协作体2021-2022学年高一下学期3月联考数学试题
湖北省新高考联考协作体2021-2022学年高一下学期3月联考数学试题(已下线)第01讲 函数的概念及其表示(讲+练)-2023年高考数学一轮复习讲练测(新教材新高考)广西柳州高级中学2023-2024学年高一上学期10月月考数学试题(已下线)专题05 指数函数与函数的应用2-期末复习重难培优与单元检测(人教A版2019)
解题方法
9 . 设函数
的零点为
,
的零点为
,其中
,
均大于零.
(1)若
,求实数
的取值范围;
(2)当
时,求证:
.
参考数据:
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22b6ce950aae81b65fefbf52e621e612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cefb1504c28e15244141df8c33d754b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5d01c545537e6330e36a618706d7b92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500d68f2678989a5ce7431cfd51b019d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d587307ac3fc84f0f7a2c9ea693219df.png)
参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35b7cfcc147916ae7eeb5d557fea945e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7739fabf233e5b2136faf751a7ebc02.png)
您最近一年使用:0次
2022-02-15更新
|
591次组卷
|
2卷引用:湖北省武汉市部分重点中学2021-2022学年高二下学期3月联考数学试题
名校
10 . 已知
是
的反函数.
(1)若在区间
上存在
使得方程
成立,求实数
的取值范围;
(2)设
,若对
,函数
在区间
上的最大值与最小值的差不超过1,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b161347f6a2fcfd9bf0acf1e8a03fa.png)
(1)若在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cc1ee2aba33c1c8eeb428f5dd80616a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/119e8f7ecf67b46400cba51ec6f818ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbec7e0f1e8de6e010b011c4e88a288b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82dca4a0e082b5cbdb1beb6f4d1e2f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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2021-01-07更新
|
722次组卷
|
4卷引用:湖北省孝感市应城一中合教中心2020-2021学年高一上学期期末数学试题
湖北省孝感市应城一中合教中心2020-2021学年高一上学期期末数学试题辽宁省重点高中协作校2019-2020学年高一上学期期末数学试题山东省日照市日照实验高级中学2019-2020学年高一上学期期末数学试题(已下线)6.2 指数函数(基础练)-2020-2021学年高一数学十分钟同步课堂专练(苏教版2019必修第一册)