名校
1 . 已知函数
,若非空集合
,满足
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01decbce56a8ac2c7180f6f7e0ad64d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b96b8e48e27692514e05399abb18bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a70d32c64918aa4d1d9d3ce0bdbf7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
2 . 不等式
的解集是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39f5a8a1f4e99023e3b73a2b134663a7.png)
您最近一年使用:0次
2023-11-19更新
|
476次组卷
|
2卷引用:江苏省常州市第一中学2023-2024学年高一上学期期中考试数学试卷
名校
解题方法
3 . 设函数
,
(1)若不等式
的解集为
,求
的值;
(2)若
,
,求
的最小值;
(3)若
,求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b19ab42ce395377c27d8a4100c1809fd.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/881fe2df23c5a0fe1d1fecbe9ffa55fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b0113fd4c7d157757571f9a009e02af.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b5320a6f673d6c2e70a815adaf2440.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a1d065b7c597c8eb18bd48a59f05f1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/364ac30cf42eeeeff3f2f4d1cd500477.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d26096323351f5e1508bd1338b768b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f42c6491f20220687ab5643556ce21.png)
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解题方法
4 . 已知
.
(1)若不等式
对一切实数x恒成立,求实数a的取值范围;
(2)若
,解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9d2098830457fe79130b1bb9d926b95.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9037a8d72704209c4fbc39588b4a4a8.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d752d8db8a05b3ec7312f6ac8b64a07.png)
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5 . 已知集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/165aeea4bbe4ecf1e85f4760c6d01ca5.png)
(1)求
;
(2)若“
”是“
”的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/165aeea4bbe4ecf1e85f4760c6d01ca5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3eb5935678e432e6f1f3180bfdb3175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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6 . 函数
在数学上称为高斯函数,也叫取整函数,其中
表示不大于
的最大整数,如
.那么不等式
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7179c645736d68c90023f83d7f11ed01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/807bc66101ce6df7270198656557e945.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/054872daa11a40a93430ab4ce240f419.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 使“
”成立的一个充分不必要条件是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1abceaf05f077441d5935047d8c84d3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-10-10更新
|
240次组卷
|
2卷引用:江苏省常州市前黄高级中学国际分校2023-2024学年高一上学期学情检测(一)数学试题
名校
解题方法
8 . 若命题“
,使得
”是假命题,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccd7af9298cd5ff19d8866fedb42ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad0292b75ee08b9659465e4aa827ee0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-10-07更新
|
221次组卷
|
2卷引用:江苏省常州市联盟学校2023-2024学年高一上学期10月月考数学试题
9 . 函数
在数学上称为高斯函数,也叫取整函数,其中
表示不大于
的最大整数,如
那么不等式
成立的充分不必要条件是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7179c645736d68c90023f83d7f11ed01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de6c50be0c06b764e63f8bd498ec4b7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed310fd0564771a9ebcd8c3f74efe626.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-10-07更新
|
149次组卷
|
2卷引用:江苏省常州市联盟学校2023-2024学年高一上学期10月月考数学试题
解题方法
10 . 已知集合
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71539874ef71cd14e285c6eff91c5f9c.png)
(1)若
,求a的取值集合;
(2)若
,求b的取值集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d1f067ef2b798a432f1e49d6c692a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71539874ef71cd14e285c6eff91c5f9c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07241606934d6c75cf04455979d0e1b0.png)
您最近一年使用:0次