名校
解题方法
1 . 设定义在
函数
当
时,
的值域为_______ ;若
的最大值为1,则实数
的所有取值组成的集合为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a92ba8b43bebdf7d6c40917f4d3e110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/171f201e07264a66762063b0ecde3b06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.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
解题方法
2 . 已知
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34f4a96a8b664aab1e1c304808d911ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee35cd8463f34d9da14ac19a73271384.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29234229d5bfd4722b2aeb6b60559f5a.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
3 . 函数
是定义在
上的奇函数,当
时,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee6881a170f6ef9ed5c133b95c2f448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c4235ba5063ef805544b2d3cdf656da.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
4 . 若关于x的方程
有实数根
,且
,给出下列4个结论:
①当
时,
;②
;③当
时,
;④当
时,
.其中正确的结论个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200437bd36277edbc3e48b56ba23f50d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/701764968a47cc0af5de2823fc757623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fca76f6c123ddc45e890873740bcc5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c376bfd7287eb97d50f72535ec7907af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/badb767dbea7ac2e7e5db59ec86f16f8.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
名校
解题方法
5 . 函数
的定义域为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a55e041dadf05c703fffae326b2883e.png)
您最近一年使用:0次
名校
6 . 函数
的值域为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bcf735ab8b2d25888d48123d5687994.png)
您最近一年使用:0次
2023-03-27更新
|
1709次组卷
|
10卷引用:北京市西城区北京师范大学附属中学2023-2024学年高三下学期开学测试数学试题
名校
解题方法
7 . 下列函数中,是奇函数且在定义域内单调递减的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-03-18更新
|
1887次组卷
|
10卷引用:北京市西城区北师大二附中2024届高三上学期期中数学试题
名校
8 . 大气压强
,它的单位是“帕斯卡”(
,
),大气压强
随海拔高度
的变化规律是
,
是海平面大气压强.已知在某高山
,
两处测得的大气压强分别为
,
,
,那么
,
两处的海拔高度的差约为(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dcfbc37ade11660c148435125f11a85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/501ac320d90eea554d83e8324c9d2cdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aaa994a2998de672be397b9571ff1e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e756f88e0c8f554b4842c080ff9d106a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfd2246b4327a5d48ed543176c2ab696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62d6765119405db2880fb8e4f06345ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3606c4a853a6a34cb7f33bea81b15a1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be646cd52d7f2f1714e7542e75810f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adad9633b73dfbbb3d84b4f15979e99e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866fe67c94067a51ceeb8853181c5c5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25522700e456c259978a6d762e818572.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-03-11更新
|
445次组卷
|
3卷引用:北京市一六一中学2022届高三2月自主测试数学试题
名校
9 . 设集合
,集合
,若
,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00cf2e5adf56d2bcd3d9534957769972.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfa72aa72494910364d6b0f1bcc6929.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-03-11更新
|
650次组卷
|
2卷引用:北京四中2022届高三开学考试数学试题
名校
10 . 星等分为两种:目视星等与绝对星等.但它们之间可用公式
转换,其中
为绝对星等,
为目视星等,
为到地球的距离(单位:光年).现在地球某处测得牛郎星目视星等为0.77,绝对星等为2.19;织女星目视星等为0.03,绝对星等为0.5.则距离地球更近的星球和它们到地球的距离之比(较远距离与较近距离之比)分别是( )(参考数据:
,
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9648de4d9d63a55398f265b6f7ab14b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0f54232342b3ddbe6bc341d44764eee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24ef24ede9d2f02511e9d67486e418ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2db620a9dcc5563cf16b16a2f99424a5.png)
A.牛郎星,约1.5 | B.织女星,约1.5 | C.牛郎星,约2.9 | D.织女星,约2.9 |
您最近一年使用:0次