名校
1 . 函数
在
上严格增,设
,若
,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3582e09db20465126af3b67becde686a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7e1e82f35397126d86a8e594cf98432.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2022-07-09更新
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3卷引用:上海市交大附中2021-2022学年高二下学期期末数学试题
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名校
2 . 若函数
满足:对于任意的
,
都可成为某一三角形的三边长,则称
为“可构造三角形函数”,已知函数
是“可构造三角形函数”,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c0e9d1ad9561d693958756ee8398218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/699d32dbd2b31b313ae7154c9a072775.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63856c383a4879e6649319ca67668a1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-12-05更新
|
187次组卷
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4卷引用:上海市罗店中学2018-2019学年高三上学期期中数学试题
3 . 设函数
是定义在
上的奇函数,当
时,
,则不等式
的解集为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2cbe0d08ee58c6bb7ed78074bfc4319.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8a96eb5d2dbd0366e39545b8a0be3c5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
4 . 设函数
,其中
,若
、
、
是
的三条边长,则下列结论:①对于一切
都有
;②存在
使
、
、
不能构成一个三角形的三边长;③
为钝角三角形,存在
,使
,其中正确的个数为______个
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69b778f93b24590eed07a947bbe5292f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d96a7b0feb1ab0198dea816d6b93290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaaa4a02651d93841114831d7dce8cce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34bdf025f6472f99b0aa8849bbdcafa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d9c89d2cd1fb46b1e71ad10227c098.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90e60ebd0744d4fde7f696ea19a35dd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e53f8cbf17325b63e822981da04fc1cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e4c18135151ee9baced029c3a73a6a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32312ceb1ddd13c33e9fce9769e7b1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7add49a49ed66fa00cbb2f73622a6a39.png)
A.3 | B.2 | C.1 | D.0 |
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2019-05-14更新
|
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3卷引用:上海市宝山区2022届高三二模数学试题