名校
1 . 若函数
,
(1)若不等式
的解集为
,求
的值;
(2)当
时,求
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/875fcdd6203b5d43a6681381e0405e57.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebfdecc7f8089cb23c20d0a93ee1b601.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d075c8a35a8ef19fa811d6e7918959b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/736a4eba56de0217916e36996937822a.png)
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名校
解题方法
2 . 下列说法正确的是( )
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() ![]() |
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名校
3 . 已知函数
.
(1)若对于
,使得
成立,求实数
的取值范围;
(2)若
与
的图象有且仅有一个交点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/261f72fb1078c3a92e7d74b9646a6bf4.png)
(1)若对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49039c2fd609ace5e47b0b9df42ca058.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc8c808c0517dff0b6538ff19a4c5c89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
解题方法
4 . 函数
的定义域为
,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb6dacd2e723ea0d548b880715977e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 已知数列
满足
,且
,记数列
的前
项和为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37bd5c2e174dfc53f8c63013a9d02fe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1928c254cfada1f75a5cd1e34db5a63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba57c83d526ac308d1461e80fcca9f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c41fa6845d9f66b4c76a98ca5023dc9.png)
A.![]() | B.![]() | C.![]() | D.2 |
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6 . 设等比数列
的前n项和为
,若
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c705ed1d40eb3d40ebadd05dbb645b73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79193ac5f4254f207c3556556aef9162.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc4e70b360f988fdbd92300ab22c4613.png)
A.54 | B.53 | C.52 | D.51 |
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7 . 若不等式
在
上恒成立,则实数t的取值范围是__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dba68f613d8f8916f3b4a0e2aee73cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e82c4003d20b36777f7aea584e3dd4.png)
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8 . 下列命题为真命题的是( )
A.如果![]() ![]() | B.如果![]() ![]() |
C.如果![]() ![]() | D.如果![]() ![]() |
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9 . 已知
的前
项和为
,且满足
.
(1)求
的通项公式;
(2)若数列
满足:
,且
,求数列
的前
项和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba79a343a3f9a1e8f3594150bc55a409.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59dd6c97d2ee3e74ba5730f1cbcc1d43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c32c411cc2dd5cc1892c7ce1664c220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52c9237cb0b4acc568d4afb12997186.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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2024-01-31更新
|
606次组卷
|
2卷引用:重庆市巴蜀中学校2023-2024学年高二上学期期末考试数学试题
解题方法
10 .
对一切
恒成立,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450a6a2468c83724b39d02c0ad82a2a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aadca495170cd7e3df7c4e694af951f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
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