解题方法
1 . 已知函数
,若
的值域为
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365578ba776509c73562f25395af625e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3814eb9efb5ccd9969ac39bcfbd0ce05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
2 . 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)
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3 . 已知函数
,方程
有六个不相等实根,则实数b的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edda531bc7c89db0fb12a287693f2dba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e22680c9b6661cf08683eaad8d59d412.png)
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名校
4 . 已知函数
.
(1)证明函数
的图象过定点;
(2)设
,且
,讨论函数
在
上的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84117b58944d6788691c2b24c070bb47.png)
(1)证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71badab736269c6567a3977823e2f9b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3387f999c9cba4a1a083959709371447.png)
您最近一年使用:0次
2024-02-03更新
|
381次组卷
|
4卷引用:重庆市2023-2024学年高一上学期期末联合检测数学试卷
重庆市2023-2024学年高一上学期期末联合检测数学试卷(已下线)4.4.2对数函数的图象与性质(第3课时)重庆市2023-2024学年高一上学期期末数学试题福建省厦门市第一中学2023-2024学年高一上学期期末模拟数学试题
5 . 设
,
,若
在
上是增函数且
在R上至少有3个零点,则a的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d73fd0fb19d355e5b439ab02051d3384.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4095a2eeca51283e5f28c156c8eae0dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae702c7fac150ca5052d2eb88ee0dfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
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解题方法
6 . 已知函数
,若关于x的方程
有4个实数解
,且
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8df36591aa37a1797202ea979694d35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/976d18a5396ba232f0aa38d136f1d749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ccd22fd0ca1a8e1468329284f91b6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd0e2d75b5268cda6f82aeb10a70d970.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 已知函数
,若对任意的
,都有
恒成立,则实数t的最大值为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e1632406adaf3a3f009ae05754a21a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c608d90deedf83441490d0190e70f9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d47a0b04c3da1ad31cccd905a575b151.png)
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解题方法
8 . 设函数
的定义域为
,若函数
满足条件:存在
,使
在
上的值域为
(其中
),则称
为区间
上的“
倍缩函数”.
(1)若存在
,使函数
为
上的“
倍缩函数”,求实数
的取值范围;
(2)给定常数
,以及关于
的函数
,是否存在实数
,使
为区间
上的“1倍缩函数”.若存在,请求出
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0195f699765021e2c6ea985e487971.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad8af7bed124f00c8e19b52d028b4d90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb3ba497136e83ffa942f09c14b5b88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/211dcbab91936df10848233146d2339a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a635f125bd16c1bea7009f4e5e402b46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)给定常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72a6e51f16456ca04a55f19fc5dcc368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f68d632ecfa559995f25fb9080b7ffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
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解题方法
9 . 已知函数
,
.
(1)当
时,求
的单调区间;
(2)如果关于
的方程
有三个不相等的非零实数解
,
,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1277e63529a8e6fa261660474741ece.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a1a5f2533b8ea54b7022383f875666.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)如果关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b92b70365c63607daecdc8deb73ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52079d948ae0e1f1d112b3ac76142f1a.png)
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10 . 已知
,(
)的值域为
,
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/108508a4cbde929495edde5327562449.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d65cb2ebd6b7e357340056108f4346b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-12-15更新
|
668次组卷
|
3卷引用:河北省NT20名校联合体2023-2024学年高一上学期12月月考数学试卷
河北省NT20名校联合体2023-2024学年高一上学期12月月考数学试卷(已下线)专题04 指数函数与对数函数3-2024年高一数学寒假作业单元合订本山东省淄博市第七中学2023-2024学年高一上学期1月月考数学试题