1 . 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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解题方法
2 . 已知函数
且
.
(1)若
,求不等式
的解集;
(2)若
,是否存在
,使得
在区间
上的值域是
,若存在,求实数
的取值范围;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad169cd4a58889907f54f04707b59fae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb1ebc40126e8670e98e25c50f042511.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8493a0cd10d3d0399173c04163740a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e799e937076aa5a7dcd51cdc0f40f6b0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e310653f87fe78a5ec8b87f205fa1635.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70657d6c50f59adc8fe76dcd35de8bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa208c8bab34df3e76f87552abc985c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/182930dfaf54db6d4beefeee7e3b82cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
3 . 当
时,函数
在
上的零点的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65cc52aacc31a21a443c8de0374b24f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29f7aaddab82e30701ae603267cc89a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
A.4 | B.3 | C.2 | D.1 |
您最近一年使用:0次
名校
4 . 已知函数
,下列四个命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dde2a965644fb3271f5d1499a6d0f1a8.png)
A.函数![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() |
您最近一年使用:0次
解题方法
5 . 已知
,
,
则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da40791c8490a6a0012389c1cb5b7a81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cf88c0b30fda73aeebc05758ab28d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/770e1b508165df25802f9c63ddc51ac9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
6 . 下列不等关系中错误的是( )
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
7 . 若
,则
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37bdf6c717b55e538c0aad07df12cb1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
8 . 已知函数
且
的图象过点
.
(1)求不等式
的解集;
(2)已知
,若存在
,使得不等式
对任意
恒成立,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12291a5bb418dbfdc6e31c5ffc26acea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ac87c1bd6a7938e64651ac58d051bc.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d4204cf940be2b578a056a7854db2a2.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7905fd422e78a1d22ff6f11950bc5cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbeda12757923af6302d15fe252b5681.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cc7b8e63ed05e5bc3a00281b86720cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a0b1eb807465b9f7fe538d444703ee1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-02-29更新
|
400次组卷
|
4卷引用:河南省部分学校2023-2024学年高一上学期期末大联考数学试题
名校
解题方法
9 . 下列大小关系正确的是( )
A.![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次
名校
10 . 已知实数
分别满足
,
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30bd5ec35f316ebe8f3a9b33c80f240a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17629d1860f0fa3ab59596b092e4f5bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfa9f77d8d1a43fc5d24223e10498fc9.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-02-27更新
|
1740次组卷
|
4卷引用:湖南省长沙市长郡中学2024届高三一模数学试题