名校
1 . 若
,使得
成立(其中
为自然对数的底数),则实数
的取值范围是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432328f9ec80fe18790b1e1643f2b13f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6835f7ef9083fe9eb827646a3c669d51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11204e2fb6e560bf7a4ca26eaebfc526.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
解题方法
2 . 已知
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cae6bc3476b9f7bede141d0010349449.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-05-13更新
|
1373次组卷
|
3卷引用:江苏省南通、扬州、泰州七市2024届高三第三次调研测试数学试题
名校
解题方法
3 . 设函数
是定义在R上的奇函数,对任意
,都有
,且当
时,
,若函数
(
且
)在
上恰有4个不同的零点,则实数a的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dafce249be1aeee0581417db4ce841db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34ea832b11f5a84b9bf3020271480631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d900b106c2b44b211c60b0ba9c2cf6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b0b226b2da37b802313e88a4cd8f987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a77b96fc51eb8a9d03ced254ce8b78be.png)
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4 . 设
,函数
,若函数
恰有3个零点,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ffae6162b2198437e1cb77ae36193ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/276b142a9d9f0a87425a668dd6501f15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
5 . 若函数
的零点为
,函数
的零点为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf63198207d8aa2a174550b6102a73cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545b712d0e3e6dda7707e96a22092f63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-04-08更新
|
708次组卷
|
3卷引用:湖南省常德市2024届高三下学期3月模拟考试数学试题
解题方法
6 . 已知函数
是定义在
上的偶函数,当
时,
则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62efb99971badf1c07858a6eb3828edf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff3f6e7c4214fd1d24c58e2c3bdb834.png)
A.当![]() ![]() |
B.![]() |
C.存在![]() ![]() |
D.函数![]() ![]() |
您最近一年使用:0次
2024-03-21更新
|
161次组卷
|
2卷引用:海南省海口市海南观澜湖双优实验学校2023-2024学年高一上学期教学质量调研数学试卷
名校
7 . 设函数
,若对任意
,都存在唯一的
,使得
,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b205c44a76540af4a129e586e62d4ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b424bbc2f301c0ce92ed914fd49fa98c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/728697bd9af445ae7525af9168fdf816.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f5148c90b6d762234102e5bf5ca4c5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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8 . 已知函数
且
过定点
,且点
在函数
的图象上.
(1)求函数
的解析式;
(2)若定义在
上的函数
恰有一个零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecbc41ba647a7774b168ca21ed05ee9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.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/03373ea8b1ba832b962fca109769ec4f.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若定义在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d5f4dd21b7cb605a33c565b40fb9898.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解题方法
9 . 设函数
,对任意给定的
,都存在唯一的
,使得
成立,则a的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9350f336d001fb55b338411361e649a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdb306f14d0d13f90a79e985f2bbe773.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8194eb338a9493e3a9acf4a62687fbdc.png)
A.![]() | B.1 | C.![]() | D.2 |
您最近一年使用:0次
解题方法
10 . 已知函数
,
.
(1)求函数
在区间
上的最大值;
(2)若函数
,且函数
的图象与函数
的图象有3个不同的交点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/def5d808ebba396e7fa566181f190a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49723fcae368064d6e4d44fa4bad1ae4.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05e16b36b04bca3a2d127fdeb4b1eb9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7242b2ab643f9470da77e29d043b893.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b58435e488fb30016f2109f4ff060b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4a412fb3fc5f1cf0f4de263e04b51d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d3748dcdf7d788e22910c14790ae80e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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