已知函数
在
上有且仅有两个零点,则
的取值范围是()
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d84dc337c25efad13fee3f309abe736.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a7792efd7f82bfa7549db4cb6ca761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
2020·云南昆明·一模 查看更多[2]
更新时间:2020-02-27 03:03:33
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相似题推荐
单选题
|
适中
(0.65)
【推荐2】已知函数
,若
在
内没有零点,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7ce8b1e2d8709d64041ab120eceefb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad6c7925d3d2a4dd8126d9fc58d872e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】函数
(
>0)在区间[0,1]上至少出现10次最大值,则
的最小值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48869f39b255cff0f5c429ec1ab6d167.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.10![]() | B.20![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】函数
的部分图象如图中实线所示,图中的圆
与
的图象交于
、
两点,且
在
轴上,则下列说法中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/22/0a72bbc6-4fb9-491a-993c-86a2fcc53e12.png?resizew=200)
①函数
的图象关于点
成中心对称;
②函数
在
上单调递增;
③圆
的面积为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e4892080a918aa2127c09e8d4c28c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/22/0a72bbc6-4fb9-491a-993c-86a2fcc53e12.png?resizew=200)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b2185ce147d23042208bdc579835e03.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/584afd508f20ffbd8421f09e99b91336.png)
③圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd68b464c7b5c0237878ef87574eefcb.png)
A.①② | B.①③ | C.②③ | D.①②③ |
您最近一年使用:0次