设函数
,
,若
恰有
个零点,则下述结论中:①
恒成立,则
的值有且仅有
个;②存在
,使得
在
上单调递增;③方程
一定有
个实数根,其中真命题的序号为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5284edb9c10b7abc12fd9cd9bf25a166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37440b57fe2ffc13f2a873e38f55d29b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8d4e3ec160cb827667bbb6926297140.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75d55834c1de09dc0e7e7e8dc342cd8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1224726206b4ad658c13f529c04f9963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
20-21高三上·上海闵行·期中 查看更多[4]
上海市闵行区七宝中学2021届高三上学期期中数学试题(已下线)期中全真模拟试卷(5)-2020-2021学年高一数学下册期中期末考试高分直通车(沪教版2020必修第二册)(已下线)模块06 三角函数-2022年高考数学一轮复习小题多维练(上海专用)西藏自治区拉萨市拉萨中学2021-2022学年高二上学期第二次月考数学试题
更新时间:2020-12-02 16:39:25
|
相似题推荐
填空题-单空题
|
适中
(0.65)
名校
解题方法
【推荐1】已知函数
满足
,且当
时,
.若
,
恰有6个解,则t的取值范围为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/322eb46d949b9580bcc057d146b7fc58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aa2037cf0605de0e99c6d55f9f6b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa32e818761a6516a545e91e4275cc77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/976d18a5396ba232f0aa38d136f1d749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48e0aa31faf2fc3ece4a1867707ef1ec.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
【推荐2】已知函数
在其定义域内有两个不同的极值点.则a的取值范围为___________ .(结果用区间表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e30bda192333e19c7b5be24b822330c.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
【推荐1】已知向量
,记函数
,若
在
上单调递增.则
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c63a826f7bd3632d22f7de508a382c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7aa1233d7a93113281594c41f25c7db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0334c6dd3d0d5a8118be36805face079.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
【推荐2】将函数
的图象向左平移
个单位长度后得到
的图象.若
在
上单调递减,则
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1af69e4d4817cc7696e5e12bdc96e2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b2ffb3604d2a2752e31445e95fe1be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bd6e9f20477d097b09437421d704ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
解题方法
【推荐1】定义域为
的偶函数
满足
,当
时,
,给出下列四个结论:
①
;
②若
,则
;
③函数
在
内有且仅有3个零点;
④若
,且
,则
的最小值为4.
其中,正确结论的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13eb1542c4f359eac4452862aebbb31c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d31d07e0e178dd81de9ab409d9475e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b67beb3fc4507ccc159b1767fd031551.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9507abb5ff3b732e9dae869f65a384a1.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d1540b6b10f07a867618a1eec02e2a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c2e41c64ac5508a9ba27b697122d6d5.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1a65d88f9823d49da8f3b96ea9ec6f.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e45e961dd36b8f85703c91f248da3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f0f64e42afb461988de927bb383238.png)
其中,正确结论的序号是
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
解题方法
【推荐2】已知不等式
(
,
)对
恒成立,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f304bfaf4944c6729bed4b2e66d8331.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb61a448347a3f8c1f126d1c00730cc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f34a38bc344b88f05e6270a8de05f1d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
您最近一年使用:0次