1 . 直线
与函数
的图象相交于四个不同的点,若从小到大交点横坐标依次记为
,
,
,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4d12362d4b8dd25813953e1c5a94b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c156ec0be2f0c8976cb1617870e9d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-07-10更新
|
307次组卷
|
3卷引用:山西省运城市2022-2023学年高二下学期期末数学试题
名校
2 . 已知
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d8037441251037b0f4e3b5ac7ec2f5.png)
A.![]() ![]() |
B.存在实数![]() ![]() |
C.若![]() ![]() ![]() |
D.当![]() ![]() |
您最近一年使用:0次
2023-07-08更新
|
413次组卷
|
3卷引用:广东省茂名市2022-2023学年高二下学期期末数学试题
3 . 已知函数
.
(1)当
时,证明:
;
(2)若函数
在
上只有一个零点,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360cf074f25741cf9f57428d79b1b98c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3641891c2d679702c89f19e00b31ca4c.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71163f419555f2ed76075c8ff659fbfc.png)
您最近一年使用:0次
4 . 已知函数
满足
,当
时,
,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d828e61a5a50174519278b540048fe5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d58567d3cb3137e68b7ff1671cd8433.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c7ae62474042f5bd5f556bc81e354f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f412680de2a1c62dc3e3c47521d9bf4.png)
A.![]() ![]() ![]() ![]() ![]() |
B.![]() ![]() ![]() ![]() ![]() |
C.方程![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
5 . 已知奇函数
,有三个零点,则t的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88879747d08c3c9789cfbf1b184512f3.png)
您最近一年使用:0次
2023-07-06更新
|
580次组卷
|
5卷引用:湖北省黄冈、黄石、鄂州三市2022-2023学年高二下学期期末联考数学试题
6 . 已知函数
,
.
(1)若函数
的定义域为
,求实数a的取值范围;
(2)设
,记函数
,且
在
内仅有2个零点,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231b26b82d33859e60ed29b669943b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427db3ffbba1f1b9285f807c52080991.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/871c7ad12ed93b25d95d6034bc180daa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f26155f7aa7e49056921f9741e594bf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcafc95a0527841c29a58d4f7d85e232.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
您最近一年使用:0次
7 . 若关于x的方程
有3个不等的实根,则实数a的取值可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc72c217eb6594097c50f888eedcd314.png)
A.![]() | B.![]() | C.1 | D.3 |
您最近一年使用:0次
8 . 已知函数
.
(1)当
时,求
的零点;
(2)若关于
的方程
区间
上有三个不同的解
,且
,求
的取值范围;
(3)当
时,若在
上存在2023个不同的实数
,
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f212852db563b9c98e05ea479d04faf.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba87feac4b44b3ee55a89eeb7a39e5e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/953810dff2d248ff297b614947c0c7c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dafaeedddee618f5e86a5f2efd15b2cd.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5432187d1c042787433b7633292d00fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d794cba35f3da2db955630f80fb4960d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3cac074d8313c9a9d73c48a75fefc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23013b553ea15ec92f8754de0bc738fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
9 . 已知函数
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77e13a044328765cea64b88b55697d5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ffa28c7f519c1c85c0a3cad23b2e6cb.png)
A.![]() |
B.![]() |
C.直线![]() ![]() |
D.当直线![]() ![]() ![]() ![]() |
您最近一年使用:0次
2023-06-20更新
|
290次组卷
|
3卷引用:河北省沧州市东七县2022-2023学年高二下学期期中数学试题
10 . 已知函数
有两个零点,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aed49f4f2ad72e2dd645112d7c897c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A. ![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-06-17更新
|
447次组卷
|
3卷引用:福建省宁德市2022-2023学年高二下学期区域性学业质量监测(B卷)数学试题