名校
1 . 已知函数
的部分图象如图所示,且
,则下列说法正确的为( )
![](https://img.xkw.com/dksih/QBM/2021/3/1/2668506683334656/2672310691610624/STEM/b9e9af6d-6f94-43d0-971b-878f044ad158.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd778388b12b9ee6d5d3cc84286bd8ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdcca7abad3fcea8197201c4aa3bda43.png)
![](https://img.xkw.com/dksih/QBM/2021/3/1/2668506683334656/2672310691610624/STEM/b9e9af6d-6f94-43d0-971b-878f044ad158.png)
A.函数![]() |
B.对任意![]() ![]() |
C.若函数![]() ![]() ![]() ![]() |
D.要得到函数![]() ![]() ![]() |
您最近一年使用:0次
名校
2 . 已知不等式
的解集为
,则
,
的取值分别为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9deeb02676b13db2735699803f8c601.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3516a6b3f883c9922ba049a77466888f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.1,2 | B.2,1 | C.-1,3 | D.-1,4 |
您最近一年使用:0次
名校
3 . 已知集合A={x|-2<x≤5},
.
(1)若A∪B=A,求实数m的取值范围;
(2)当x∈R时,若A∩B=
,求实数m的政值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab6a2f46ec6423e92c421ee4ab52b306.png)
(1)若A∪B=A,求实数m的取值范围;
(2)当x∈R时,若A∩B=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
您最近一年使用:0次
2021-10-28更新
|
384次组卷
|
2卷引用:江苏省南京航空航天大学附属高级中学2021-2022学年高一上学期10月月考数学试题
4 . 已知a为常数,二次函数y=x2﹣ax+a+3.
(1)若该二次函数的图象与x轴有交点,求a的取值范围;
(2)已知y≥4,求x的解集;
(3)若存在x∈[2,4],使y=0成立,求a的取值范围.
(1)若该二次函数的图象与x轴有交点,求a的取值范围;
(2)已知y≥4,求x的解集;
(3)若存在x∈[2,4],使y=0成立,求a的取值范围.
您最近一年使用:0次
5 . 若关于x的不等式
的解集为
,则实数k的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/952421c91a7a5df896e9469dd9770e77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
您最近一年使用:0次
名校
解题方法
6 . 设
,
为实数,已知关于
的不等式
的解集
.
(1)求
,
的值;
(2)若
,且
,求实数
的取值范围.
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88b6d0df0ee20bf56477f867015a08c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de2871ea38291bfebcd5b4a8f4df26d9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b9385caf6262a89bbc1114bfe26b237.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2021-11-22更新
|
546次组卷
|
3卷引用:江苏省南京师范大学附属中学2021-2022学年高一上学期期中数学试题
名校
解题方法
7 . 1.已知函数
,
,其中
为实数.
(1)当
时,
①求不等式
的解集;
②若不等式
的解集包含
,求实数
的取值范围;
(2)已知
在
时恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3e1c2abc2c7ade78e5fdf1de5c3b313.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7423c93e5a4c45799e62ece46f0b143.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
①求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447d6f62c09c1d05346fd16a24159f6e.png)
②若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efe3e4343523fe8010a1c1927cedfaf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9fc42960b56450a41f3d952ab23e9d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29aef458f2367b76432719f6f56275d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
8 . 已知函数
,
.
(1)若
在
上单调递增,求实数a的取值范围;
(2)求关于x的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d79474f338780be3f5f03420872c4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7dcdd87d593df4a5c5e98d47fe1cfa6.png)
(2)求关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
您最近一年使用:0次
名校
解题方法
9 . 已知关于
的不等式
的解集为
,
.
(1)若
,求实数
的取值范围;
(2)若___________,求
的取值范围.
请在①
;②
;③
这三个条件中任选一个补充在横线处然后作答.(注:如果选择多个条件分别解答,按第一个解答计分)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933e48960857a63826188ac9cc6675cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43d48f7d11d4cb9315310eeee450c295.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52854d0ead4737302f4b4706e1f80553.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若___________,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
请在①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
您最近一年使用:0次
名校
10 . ①已知向量
,
,函数
,
,
.
(1)当
时,求
的值;
(2)若
的最小值为
,求实数
的值;
(3)是否存在实数
,使函数
在
有四个不同的零点?若存在,求出
的取值范围;若不存在,说明理由.
②已知函数
,
.
(1)若
,记
的解集为
,求函数
(
为自然对数的底数)的值域;
(2)当
时,讨论函数
的零点个数.
请从①和②两题中任选一题进行解答.
(注意:如果选择①和②两题进行解答,以解答过程中书写在前面的情况计分)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b814601b17759b4b443dfee449f38b0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35da2b46d5bec7cac765bd4f0765695d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2336c1535560fa2a97c2abacc4b456ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320db668117654d39faa0c8ce830e9ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b19c25a6cf6a3e59196ff48ae94d3dbb.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3641c4586177fcc867b5c9bf9ccde802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c55d0e764a907b01465d1b0139420e87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
②已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/073dfe3ea5f658de9ac138f725e6ee11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914a49b0d7aedc593a3e87fbab7c31ca.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab839d8569171afab5ed55c22013aa72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b585543b968f0f272a28260f2b948ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d217c7b12e12e5fb67472452518859ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/976c6409a630ce1f3b16ebbd9e5a87a4.png)
请从①和②两题中任选一题进行解答.
(注意:如果选择①和②两题进行解答,以解答过程中书写在前面的情况计分)
您最近一年使用:0次