解题方法
1 . 若不等式
的解集中有且仅有一个整数,则实数a的范围可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ee247a42890de28025a87ed80ca54f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
2 . 已知函数
满足:对定义域内任意
,都有
成立.
(1)若
的定义域为
,且有
成立,求
的取值范围;
(2)若
的定义域为
,求关于
的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baadb48ebd217d50d883b69738996f07.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b029e85e686623cdef977b2cb1f207a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ad73cbff93a7faae0dca7ae5973af01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/921673f09dea5688ac170f8142253e39.png)
您最近一年使用:0次
2020-10-08更新
|
934次组卷
|
6卷引用:广东省深圳市观澜中学2020-2021学年高一上学期期中数学试题
名校
3 . 已知函数
,函数
.
(1)若函数
,
最小值为
,求实数
的值;
(2)当
时,不等式
的解集为
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cce427e97019745d570dd2728027fba5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d393131f1278e5a927af6fdc2da5f29f.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2850637f65e88555b749128edce87e81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95628931f124fe537e86a63b3abcae26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec54f53122364c46e1e43d1a84f210fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b828ca9430c6885c9a95da628aad14be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24c2ae50314e61ac5c1be4b5c67b8bea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
您最近一年使用:0次
2019-12-05更新
|
397次组卷
|
2卷引用:广东省深圳市红岭中学2019-2020学年高一上学期第一学段考试数学试题