1 . 已知函数
则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e5260f748735b55e4eadc73279daa08.png)
A.若![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.若 ![]() ![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
名校
2 . 设函数
,其中
表示
中的最小者,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cb4c2330294fb662e8aa44deb457eb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7f9083f495fa6685e26b4c5d86e2c5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() |
B.当![]() ![]() |
C.当![]() ![]() |
D.![]() |
您最近一年使用:0次
2023-07-19更新
|
444次组卷
|
2卷引用:浙江省舟山市2022-2023学年高二下学期期末数学试题
3 . 已知函数
,则下列说法错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5168a7a59713264c574939116c37a7d5.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
4 . 已知函数
的定义域为
,且满足当
时,
,当
时,
,
为非零常数,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/937d22e3eb1cfbeb93c774eab78a243b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b18e185705ecef3c6fc13799bbfb038b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0935b0d5568370418871fa7a6c47162d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06394c901b7092364d6ae77f058a8422.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
A.当![]() ![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
您最近一年使用:0次
5 . 用
表示不超过
的最大整数,例如,
,
.已知
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ab85825d4a002600ca41bd3cd2ee7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/613004861ffc72cf3e54fd76340668b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e935bb66ce8ce69c0a4043aa5c820a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6abd115d5ba5867d025c32ed805e0607.png)
A.![]() | B.![]() |
C.![]() ![]() | D.方程![]() ![]() |
您最近一年使用:0次
名校
解题方法
6 . 设函数
,若实数a,b,c满足
,且
.则下列结论恒成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a30430b150b70ab68d15cf428090d235.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e04fe966866f7ad311adedd93cf25c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6637110325fc5bcb6337762aecf53d4d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-06-20更新
|
1687次组卷
|
6卷引用:内蒙古乌兰浩特市第四中学2023-2024学年高二上学期期末数学试卷
内蒙古乌兰浩特市第四中学2023-2024学年高二上学期期末数学试卷山西省朔州市朔城区第一中学校、忻州市第一中学校2校2022-2023学年高一下学期3月月考数学试题(已下线)4.4 对数函数(精练)-《一隅三反》(已下线)考点2 分段函数 2024届高考数学考点总动员 (讲)(已下线)模块三 专题1《对数函数求参数(或者范围)问题》(人教A)陕西省榆林市第一中学2023-2024学年高一上学期选课走班调研考试数学试题
解题方法
7 . 已知函数
满足
,当
时,
.函数
(
且
),若函数
在区间
上恰有20个零点,则实数
的取值范围为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e298fe246eef819dd9b1edabe3bb9cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1c079afd1b058adc67a50f48f3d466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/668bdaccf07395a32432eda64d63f425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa662f0273f0921c1fa4727f632395.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07b1de8f05e3d65d55262974d18bb3c6.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
,若关于
的方程
有五个相异的实数根,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d01fc9856d1cee75b39a95d72018ead7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2995b87c8abca619948eb5487dd6c27d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2023-06-18更新
|
581次组卷
|
2卷引用:四川省成都市蓉城名校2022-2023学年高二下学期期末联考文科数学试题
名校
9 . 已知函数
.
(1)若
,解不等式
;
(2)若函数
恰有三个零点
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06f95ce313f2d27d825d84786874487d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c2e0bb6d63b7bcaee92a470d58cc399.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8d5b7ecc14f3f2adeb7e8ec90acfa.png)
您最近一年使用:0次
2023-06-17更新
|
382次组卷
|
2卷引用:重庆市长寿区2022-2023学年高一上学期期末数学试题(A卷)
10 . 设常数
,函数
.若方程
有三个不相等的实数根
,且
,则
的取值范围为__________ ,
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aef8174aeb63387c6c2bab1f00718752.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6f0057213e0ccd359864481632b6fd7.png)
您最近一年使用:0次