解题方法
1 . 已知函数
.
(1)求
在
上的值域;
(2)
,若对
,
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68916e8f272c7a4eb2e1c84c996c367c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c40aeeec9aa219c0af917fd34258282.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73c1156df7a89ce47a748ffe234a8b9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e023a4eb85e27e54f1761063c368c7a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecc1d824c067f6b4c535de2bb9a7ad57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45095f19fc704de2e45bec5cad78530f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2 . 生活经验告诉我们:
克糖水中有
克糖(
,
,且
),若再添加
克糖(
)后,糖水会更甜.于是得出一个不等式:
,趣称之为“糖水不等式”.根据“榶水不等式”判断下列命题一定正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73c79de030dea51c5e80e233b44788de.png)
A.若![]() ![]() ![]() |
B.![]() |
C.若![]() ![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() |
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名校
解题方法
3 . 如图,某人设计了一个类似于高尔顿板的游戏:将一个半径适当的小球放入如图所示的容器最上方的中间入口处,小球将自由下落,小球在下落的过程中,将3次遇到黑色障碍物,已知小球每次遇到黑色障碍物时,向左、右两边下落的概率都是
,最后落入
袋或
袋中.一次游戏中小球落入
袋记1分,落入
袋记2分,游戏可以重复进行.游戏过程中累计得
分的概率为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/3/327138a4-38ce-4f1a-aedf-5f8b4b658183.png?resizew=83)
(1)求
,
,
.
(2)写出
与
之间的递推关系,并求出
的通项公式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/3/327138a4-38ce-4f1a-aedf-5f8b4b658183.png?resizew=83)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e67927616b141ed7c6b83f8b6f4fb.png)
(2)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eb90a2118db1e9945d7b5997bf2482a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
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4 . 设
,函数
,曲线
的最低点为
的面积为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930bc56406e69b785b37a83d48e36724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82f8cb40d4d9d37fd0c8e2c13178952.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84153925db492238052d0baf65ae0abc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c810931826a74bd49022f409fab2c12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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5 . 关于函数
,有下列四个命题:
甲:
是
的一个极小值点;
乙:
是
的一个极大值点;
丙:
在
单调递增;
丁:函数
的图象向左平移
个单位后所得图象关于
轴对称.
其中只有一个是假命题,则该命题是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5308517499b3c9d6f91dc559c31cda20.png)
甲:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beb1b58c4a9762c6e74a98f25e3b5e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
乙:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
丙:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82e568cb66c06968f5d02160e2c5bcd.png)
丁:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
其中只有一个是假命题,则该命题是( )
A.甲 | B.乙 | C.丙 | D.![]() |
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解题方法
6 . 已知集合
则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb7cab7d0bbfafdd2e622727dbbb785c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-02-15更新
|
838次组卷
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5卷引用:湖北省荆门市龙泉中学2022-2023学年高一上学期期末数学试题
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7 . (1)已知
,求
的值.
(2)已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f96144368b1b5ca55648a797580f022e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1307bd76f5ad6565c0c0e8b791423067.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/878ca3b673712990116810618763a756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc68870d067ced75ec872619dfdb7e5.png)
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2023-02-15更新
|
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8 . 若
,则使“
”成立的一个必要不充分条件是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5ab4b75fa22deba7fcbcdcb31dd45b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a0bb5f1fcfe43c42f90847ea375f0e5.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-02-15更新
|
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湖北省荆门市龙泉中学2022-2023学年高一上学期期末数学试题湖北省黄冈市2022-2023学年高一上学期元月期末数学试题(已下线)第02讲:常用逻辑用语期末高频考点题型讲与练-《考点·题型·难点》期末高效复习江苏省无锡市南菁高级中学2023-2024学年高一上学期期末模拟测试数学试题
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解题方法
9 . 函数
的定义域为集合A,集合
,
.
(1)求
,
;
(2)设p:
,q:
,且p是q的必要不充分条件,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5adfce08a51c0387d0608d3aaf632323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50057476d43010cb3064c79892a76817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5b57cae1b14638bc37b46398f9f2264.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)设p:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3eb5935678e432e6f1f3180bfdb3175.png)
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2022-11-02更新
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10 . 函数
的图象如图所示,将其向左平移
个单位长度,得到
的图象,则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/2022/5/12/2977794974277632/2978455476764672/STEM/616c73ee-9127-48cd-8a95-cc833bf22b51.png?resizew=236)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4190d914a52e084b6960eeaec87a93a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://img.xkw.com/dksih/QBM/2022/5/12/2977794974277632/2978455476764672/STEM/616c73ee-9127-48cd-8a95-cc833bf22b51.png?resizew=236)
A.函数![]() ![]() |
B.函数![]() ![]() ![]() ![]() |
C.函数![]() ![]() |
D.函数![]() ![]() |
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2022-05-13更新
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