名校
解题方法
1 . 设函数
.已知存在
使得
同时满足下列三个条件中的两个:条件①:
;条件②:
的最大值为
;条件③:
是
图象的一条对称轴.
(1)请写出
满足的两个条件,并说明理由;
(2)若
在区间
上有且只有一个零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9420be94065d183c5c9076d6ca0c606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/104375baf5cef5eb92cfc7cf13b80193.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7de633b2c143b9f76b29cde1c6ffce71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)请写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d45c738904d7aea7b2aa9caa2aa315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2022-03-29更新
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1630次组卷
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6卷引用:湖南省常德市汉寿县第一中学2024届高三上学期期中数学试题
2 . 设
,
,若
对任意
成立,则下列命题中正确的命题是______ .(填序号)
①
;②
;③
不具有奇偶性;④
的单调增区间是
;⑤可能存在经过点
的直线与函数的图象不相交.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d84a9f00cd56696786bb25141ccdf030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eae9ba258299eb489b490594397e23c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fceb149476e1f0a93acab22930fd5d21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d8cff997321f3c6dea19b64841a63b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22bb6ce08d0207d5546dab0b2577faa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3f8bedc42a68194faf06dfdfb76cdbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
您最近一年使用:0次
3 . 已知函数
,
,若
,使得
,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bf34406c2beb9db879d550e7da87833.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5756048e7114594333bae09f9bffa82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d21abcd7a8febd3c2559320ac89de574.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859458471c86ae39e0cc42d2d960d03e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-10-24更新
|
566次组卷
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3卷引用:湖南省郴州市湘南中学2019-2020学年高三上学期期中考试数学(理)试题
湖南省郴州市湘南中学2019-2020学年高三上学期期中考试数学(理)试题安徽省蚌埠市2019-2020学年高三上学期9月第一次教学质量检查数学(理)试题(已下线)第九章 导数与三角函数的联袂 专题三 含三角函数的恒成立问题 微点3 三角函数的恒成立问题(三)