已知函数
,对于任意的
,方程
仅有一个实数根,则
的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8649ae09f9747e56cabb18a41b83545c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b798675af4f4d72383a5b2c43db2c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced445c34cf68e29b21c74d73b986b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2019-04-29 22:55:50
|
【知识点】 三角函数图象的综合应用解读
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单选题
|
较难
(0.4)
名校
【推荐1】设函数
(
且
)满足以下条件:①
,满足
;②
,使得
;且
,则关于x的不等式
的最小正整数解为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d8705398836cdb3b85dd7985036bb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7c9e46448bc791c441ca02d8f4508eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad5fe274cfc8da2dacfb65801f344ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/941fa336330b065b534e0c68e221d942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a613e10df815bdd1c3e580ea4dce6535.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3924994d2fdf3f653d58ec2957a7d103.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c60fc42b81b6adb09b8b5dc99b667625.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab32a32dc7abda15de3941a0056d019b.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
单选题
|
较难
(0.4)
名校
解题方法
【推荐2】已知函数
在
上存在最值,且在
上单调,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd44d9fd754cf8a2b6bf4df8385a81c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fed440b9f974492068a68203e5029f98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5dac701355a4b330644f14fb54933eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次