1 . 函数
的定义域为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14145264fa90feb0717a14b8a5cd7d47.png)
您最近一年使用:0次
2 . 设
,
,
,其中
是自然对数的底数,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba647673d152c70cb1bc6356dbe0fec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a988c6198c39142ee47e96fb58770ece.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c558f33dc7676bbf4b7e93f56bb87f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11204e2fb6e560bf7a4ca26eaebfc526.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
3 . 苏格兰数学家纳皮尔在研究天文学的过程中,为了简化其中的大数之间的计算而发明了对数.利用对数运算可以求大数的位数.已知
,则
是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ebdb244f65761b39ca795a2628025f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a6f82f4f5cfdce0608f76fe166d03f.png)
A.9位数 | B.10位数 | C.11位数 | D.12位数 |
您最近一年使用:0次
2024-03-14更新
|
241次组卷
|
2卷引用:四川省部分名校2023-2024学年高三上学期期末联合考试理科数学试题
解题方法
4 . 已知
是定义在
上的奇函数,当
时,
.
(1)求
的值;
(2)求
在
上的解析式;
(3)当
时,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e99bebf8db0d314aacb2cb1f09bf48c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16627a6c8ecdc63f57bd822efeecb734.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aba49879b4aebfcd8d237316515faa01.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83666674f1111c699d7c5f7b792e0285.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/141f2ad9e03ece6b97f6b1d490c2e3e4.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d41868a79f503f02e297173e621d23d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c6f97440e15ca93f4d52f12d98ec92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-03-07更新
|
310次组卷
|
2卷引用:四川省遂宁市安居育才中学校(卓同教育集团)2023-2024学年高一上学期1月期末校考数学试题
解题方法
5 . 已知首项为1的正项等比数列
满足
.
(1)求
.
(2)令
,
是数列
的前
项和,求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d625d94a59c9c95533fb79e908bc275.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb78d3a4209ebbede94346ba8cfc997a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8050391385b496e9c059201e4f12600a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
6 . 若四个幂函数
在同一坐标系中的部分图象如图,则
的大小关系正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/22/2f73bebb-41bb-4d56-9a49-592418453b0e.png?resizew=199)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dee3819a3a4281046fe646cfd9b9925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c27a9af7db04a611063978a7990745e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/22/2f73bebb-41bb-4d56-9a49-592418453b0e.png?resizew=199)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 已知
为定义在
上的奇函数,当
时,
,若函数
恰有5个零点,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3018858f131f3bab293a6d3a788f9f9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c27716788e838bd934952fe13c5e4671.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-02-21更新
|
230次组卷
|
2卷引用:四川省部分名校2023-2024学年高三上学期期末联合考试文科数学试题
8 .
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87186eff5f1e466553734bbf6b361a94.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 下列选项中,
的充分不必要条件可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/552d996f4748a1c0d22149f9ead89f02.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10 . 化简求值:
(1)
;
(2)已知:
,求
的值.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b38291ca3ae7fea01bdd9a8825d4aaac.png)
(2)已知:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f607d7d7cfd8512e7be12d35537684.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1216dc58baf0a0483b3e5564fa7487a1.png)
您最近一年使用:0次