1 . 已知
为不相等的正实数,则下列命题为真的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() |
您最近一年使用:0次
2 . 已知
,且
,实数
满足
,且
,则
的最小值是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eafd8a1de496faf61180f427796567f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bc8d93ca94c12c3370ffee8678e246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a14c388e1e2e5a2ff1ccf6caffbee0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd24c686fbaaa68705d654b880481ffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914023ea492aa01800880506d31492e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45e6ce4a73b92d143d17da1e53c5267.png)
您最近一年使用:0次
3 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56236b39097f56863f8fbe9fb2d702ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a72ef9665654c618812d35f99535549d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-06-25更新
|
419次组卷
|
2卷引用:浙江省温州市十五校联合体2021-2022学年高二下学期期末联考数学试题
名校
4 . 设集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891c33c87303257a9f523da73a13f6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0227130094f4ce7468ad83104fe89887.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-08-09更新
|
418次组卷
|
3卷引用:浙江省温州新力量联盟2020-2021学年高二下学期期末联考数学试题
5 . 已知
是平面上的单位向量,则
的最大值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ccba3b87a8a48ac3dd5f72d00bdb1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aec388f4f1bedf073708fac33b7cdee.png)
您最近一年使用:0次
6 . 已知
、
为椭圆
和双曲线
的公共焦点,
为
和
的一个公共点,且
,椭圆
和双曲线
的离心率分别为
,
,则
的最大值为________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46c64fe7c167769b298efa81c24e2271.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33558881906c228c262ff8024dcfc4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33a99190a8fd29c36d5a002e3197cc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2770478f4c5e9339f84a0c39c66a4e59.png)
您最近一年使用:0次
7 . 若不等式
对任意
恒成立,则
的取值范围为_ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db4671fb79d22c21d9a0d7768021fabb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
8 . 关于
的不等式
恒成立,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6419ada8ec823b1fd52e38c314f65b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2020-08-01更新
|
253次组卷
|
2卷引用:浙江省温州市十五校联合体2019-2020学年高一下学期期末数学试题
解题方法
9 . 已知
,函数
.
(1)当
,解不等式
;
(2)若对任意的
,不等式
恒成立,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d08f6a2dc4b64e82da5dc98a631283b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eed0169074b127b16e4674714bf408e.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998485ffeb46a0412ff1a0f814429257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4954aeb465122104c0f612dbdb2890a8.png)
您最近一年使用:0次
解题方法
10 . 已知函数
.
(1)当
时,求函数
的单调区间;
(2)当
时,若函数
在
上的最小值为0,求
的值;
(3)当
时,若函数
在
上既有最大值又有最小值,且
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5dd9378570488460b8d1bb90ec4121.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7204f43679af6935e494c59d40c6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfbf87824dfbaed92184f190b6e1a493.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2020-07-09更新
|
938次组卷
|
3卷引用:浙江省温州市新力量联盟2021-2022学年高二下学期期末联考数学试题
浙江省温州市新力量联盟2021-2022学年高二下学期期末联考数学试题浙江省丽水市2019-2020学年高一下学期期末数学试题(已下线)滚动练03 集合至函数及其表示-2020-2021年新高考高中数学一轮复习对点练