名校
解题方法
1 . 已知函数
,若
有最小值,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ff4e0cfa86f6d91ff0b3cdb3251393b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
2 . 已知函数
,若实数
满足
,且
,则
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/546703ad1b951117aac76a31ef8c91b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d8fa6d22b58fbd61c43ee524cb30394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/785869573d25ad8fe2cffd37dfcab4fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66690777e320210bccc49168c386437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28bf284b45c18f88528ebdcce690857.png)
您最近一年使用:0次
名校
解题方法
3 . 已知函数
存在直线
与
的图象有4个交点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ ,若存在实数
,满足
,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47b83cd498a2a7a674fe0ab04e59f3fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4d12362d4b8dd25813953e1c5a94b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4acd5e05f89802149b8b810c24d6ac73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0237468a355576b34bff6d034c96bad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25cebffe0e296e5caccf9ae8255e1fdc.png)
您最近一年使用:0次
4 . 已知函数
,若方程
(
)有四个不同的零点
,
,
,
,且
,则( ) .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/502f2be068870e543c34e9b4b948c767.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
A.实数![]() ![]() | B.函数![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
名校
5 . 已知函数
,若函数
有两个零点
,则
的值可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/185a7aba47b664b61cb22b5f0e56d76b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b946a8ec829a341aa6806a3eb0b9ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450398974b1561ca801e102e16df6789.png)
A.2 | B.![]() | C.3 | D.0 |
您最近一年使用:0次
名校
解题方法
6 . 已知
是一元二次函数,满足
且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17ee5f43412795671704ab0e8d0b2f5.png)
(1)求函数
的解析式.
(2)函数
在数学史上称为高斯函数,也叫取整函数,其中
表示不大于x的最大整数,如
,
,
,设
若使
成立的实数a,b,c有且仅有三个且互不相等.求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5db6593f8ea8ccd2643ada8df10cf2bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17ee5f43412795671704ab0e8d0b2f5.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)函数
![](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/e0582aa1aa68e686d214659b220d2f3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a5894fc0f03d484ed2a2728ac40c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae9feb047004eb507de484a7f8c5b6a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429c988ad3158205717de322b2b66e1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eee35d84364613fc18d2c969911f903.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae24688d4c45aad43e9af0b7bbfda6b.png)
您最近一年使用:0次
2023-10-13更新
|
354次组卷
|
3卷引用:湖北省黄冈市浠水县第一中学2023-2024学年高一上学期期中数学试题
名校
7 . 定义在实数集上的函数
称为狄利克雷函数.该函数由
世纪德国数学家狄利克雷提出,在高等数学的研究中应用广泛.下列有关狄利克雷函数
的说法中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d6be2fe31ac3fdeb8fd161201f8e0f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be7581dbbccda50e5d5cd18056ddea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8238fba9b391d01ceb071e78ee221035.png)
A.![]() ![]() | B.![]() |
C.存在无理数![]() ![]() | D.对任意有理数![]() ![]() |
您最近一年使用:0次
名校
解题方法
8 . 对于函数
,若存在
,使
,则称点
是曲线
的“优美点”.已知
,则曲线
的“优美点”个数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b3c7d1bd29a3b8295a77a539e0088b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43db00e106c7d08a76a7ba71ca5e63d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4df4d2346ec75e8dbc4ef36a6f733e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
2023-01-09更新
|
386次组卷
|
4卷引用:湖北省襄阳市第五中学2022-2023学年高一上学期期末数学试题
名校
9 . 定义:若函数
的图象上有不同的两点A、B,且A、B两点关于原点对称,则称点对
是函数
的一对“镜像”,点对
与
看作同一对“镜像点对”,已知函数
,则该函数的“镜像点对”有( )对.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41be4f4fbf21555f325caf280c392c00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41be4f4fbf21555f325caf280c392c00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7113de81db260e6666292f39b447b848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41199873598af9ea82bfddc670da69bd.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2023-01-07更新
|
250次组卷
|
2卷引用:湖北省襄阳市第五中学2022-2023学年高一上学期12月月考数学试题
名校
10 . 已知函数
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1515b8e35f3402287b94351892ad299.png)
A.函数![]() ![]() |
B.若函数![]() ![]() ![]() |
C.若函数![]() ![]() ![]() ![]() |
D.若函数![]() ![]() ![]() |
您最近一年使用:0次
2022-12-20更新
|
811次组卷
|
5卷引用:湖北省孝感市2022-2023学年高一下学期收心(开学)考试数学试题