名校
解题方法
1 . 已知
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77be34196b190af4c79e3755ebcff856.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b2dafc0eb171cd0098ee365c1f3dbe0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f970c3bbc3a7fc57d874fa71b517538b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
2 . 已知
是
上的增函数,
、
、
、则
、
、
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f351b4a8ba6f0d2f649a35070a0c2d77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4664500287920ee81919e06f83f4ff8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0474b39ab9e0ee81c7b462fbdd8ee845.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)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-02-04更新
|
93次组卷
|
2卷引用:山西省大同市云冈区汇林中学2023-2024学年高一上学期11月期中数学试题
解题方法
3 . 若区间
满足①函数
在
上有定义且单调;②函数
在
上的值域也为
,则称区间
为函数
的共鸣区间.完成:(1)写出函数
的一个共鸣区间______ ;(2)若函数
存在共鸣区间,则实数k的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/351c2cb070c6d4c0b91f9245bd2e6f8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1273da9a1b60d2c16dc62062b9efead7.png)
您最近一年使用:0次