名校
1 . 已知函数
则函数
的值域为___________ .若函数
有2个零点,则k的范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb01d144d95d139fe304908b0922bfd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c27716788e838bd934952fe13c5e4671.png)
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2022-03-29更新
|
346次组卷
|
3卷引用:江西省抚州市临川区第一中学2021-2022学年高一下学期第一次月考数学试题
名校
解题方法
2 . 已知函数
,若关于
的方程
有三个互不相等的实数根
,则①实数
的取值范围为___________ ;②
的取值范围为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eae785b3ff5300be784803ff20fc9fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35bacde908aec2c313978fc4309d82bc.png)
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3 . 已知函数
,令
,当
时,有
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bffd29b2e8192d673308bdf8d5cb6cab.png)
______ ;若函数
恰好有4个零点,则实数
的取值范围为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a195a69cf48cfb8f56ced1da5b32608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27ce93b9f0ea8d7e3a5e4a4f2fcacf45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4516a3d6dd9f708bbcb9440d5bdba985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6325af3dc7c87eaaf3f14df9d400b7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bffd29b2e8192d673308bdf8d5cb6cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2023-12-15更新
|
190次组卷
|
2卷引用:江苏省无锡市四校2024届高三上学期12月学情调研数学试题
名校
解题方法
4 . 定义在
上的函数
满足
,当
时,
,若直线
与
恰有
个交点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf869eebbcb9ace417cdfbcf370af6d7.png)
________ ;
的取值范围为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb7a758abe9fe3a0c6c458cb015f70ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50af11c345056215054f7cfe679939da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e7c7debdf9905b44ff41d808a09d1ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46111e4d12c21798aa213c0d7804c2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3304e23f3b0f9569c4140ca89b6498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efacb4b527a62adeeee95e48ffa53ef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf869eebbcb9ace417cdfbcf370af6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2022-02-17更新
|
321次组卷
|
2卷引用:河北省沧州市第一中学2022届高三上学期12月月考数学试题
名校
5 . 已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8decad544aeec61eab970374fd0b4239.png)
__________ ,若
且
,则
的最大值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f72cac85d239e67177e1a58fcf3650f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8decad544aeec61eab970374fd0b4239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/684bcf84f0a266515bfafde0da903050.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2037b0bad7c7a312bac1ac0653d9a491.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e86e6f0ac5903369afea2c8d04ba412.png)
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2022-12-28更新
|
294次组卷
|
2卷引用:山东省济南市莱芜第一中学2021-2022学年高二上学期期末考试数学试题
名校
6 . 已知函数
,
,函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4633de9335d15d7685bdecb007a3678c.png)
(1)当实数
时,
有__________ 个不同零点;
(2)若
图象经过4个象限,则实数
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c80c5b9dc0c1ba77d8f5a806333cceb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d33e14afc48b1109ee5d8c31d37c349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4633de9335d15d7685bdecb007a3678c.png)
(1)当实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02f266bd253738e315e84231235f0d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f5a90aeba435af22d6bcdb7b91650b8.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f5a90aeba435af22d6bcdb7b91650b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
名校
解题方法
7 . 设常数
使方程
在闭区间
上恰有三个不同的解
,则实数
的取值集合为________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83e590fa0b13ad3e9c9756642ef53a3.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/677b901b829cd0725ad8915853accc62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aebb9595cfebe608e2b3ec06c10421dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83e590fa0b13ad3e9c9756642ef53a3.png)
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2022-03-24更新
|
283次组卷
|
4卷引用:青海省西宁市大通回族土族自治县2021-2022学年高一上学期期末考试数学试题
青海省西宁市大通回族土族自治县2021-2022学年高一上学期期末考试数学试题(已下线)高一上学期期末【压轴60题考点专练】-2022-2023学年高一数学考试满分全攻略(人教A版2019必修第一册)湖北省黄冈市黄梅县育才高级中学2023-2024学年高一下学期2月月考数学试卷内蒙古兴安盟乌兰浩特第一中学2023-2024学年高一下学期期中考试数学试题
名校
解题方法
8 . 已知函数
.
(1)若a=0,则函数
的最大值为___________ .
(2)若函数
有2个零点,则实数a的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e963207f56fe80b80a40e1267bdfa2e6.png)
(1)若a=0,则函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2021-12-18更新
|
392次组卷
|
2卷引用:湖南省长沙市雅礼中学2021-2022学年高一上学期12月第三次月考数学试题
9 . 已知函数
,若
,函数
的减区间为________ ;函数
有三个不同的零点,则实数a的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143f328e975ac2bfa86bff8081863454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194714ea82d0eb4c509ad43d42d152bc.png)
您最近一年使用:0次
解题方法
10 . 若函数
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2db644c37827e8e3b05681cf6aed0fe8.png)
_________ ;当
时,方程
的所有实数根的和为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c140e4fd40e242cb98c02ab51fa6faae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e917d3722bca741d6ef6b66ef1978ef0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2db644c37827e8e3b05681cf6aed0fe8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/879045bb4b1d70f72628ba1e1e689fac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f8bfb563f79688d136e0cb958b5153c.png)
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