名校
1 . 已知函数
.
(1)若
存在极值,求
的取值范围;
(2)当
,且
时,证明:函数
有且仅有两个零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7a970882dcc8b8f54905841c10e6e3a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ffd1f6bd3686a07efa4086a02b96a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/556eac935a69ae56fb1d63bee5a1e5dc.png)
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2023-02-21更新
|
777次组卷
|
3卷引用:内蒙古包头市2022-2023学年高三上学期期末教学质量检测文科数学试题
名校
解题方法
2 . 若e是自然对数的底数,
,则整数m的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43eb4d3dcc7caf9d0bd137e7c29b9d5b.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
解题方法
3 . 已知函数
.
(1)若
,求a的值;
(2)已知某班共有n人,记这n人生日至少有两人相同的概率为
,
,将一年看作365天.
(ⅰ)求
的表达式;
(ⅱ)估计
的近似值(精确到0.01).
参考数值:
,
,
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a9f96bc558481a14b0911041295e28a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
(2)已知某班共有n人,记这n人生日至少有两人相同的概率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/532084481ae3a67c8208b7783bf22e8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fb86b569914509657744de5f6834164.png)
(ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/532084481ae3a67c8208b7783bf22e8e.png)
(ⅱ)估计
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae22e1ab354fdcd7529e60fb9bc16b2c.png)
参考数值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/debb5dd603b8ab0e1072f1e3ef6a5b1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1169b573cc38f13e4c97d28e08de1c53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a76d32c76b9c4893dfe0d97469929dc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c0ab940dddecfebe43a3ebb7d79f779.png)
您最近一年使用:0次
4 . 已知函数
.
(1)当
时,讨论
的单调性;
(2)若
有两个零点,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db295248e1a0b6214ed41c015a07c03a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2023-01-17更新
|
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4卷引用:内蒙古自治区呼和浩特市2023届高三上学期质量普查调研考试理科数学试题
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5 . 已知
是函数
的极值点.
(1)求
;
(2)证明:
有两个零点,且其中一个零点
;
(3)证明:
的所有零点都大于
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ea764080dd9860df23c7022ca914ea6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c31ec7374ee26d32346f96ac1e03d2fd.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f13c1f9a7777c49671e1d6b4bb1e7f7e.png)
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2022-12-27更新
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4卷引用:内蒙古呼和浩特第二中学2022-2023学年高三上学期12月月考数学文科试题
内蒙古呼和浩特第二中学2022-2023学年高三上学期12月月考数学文科试题河南省中原名校联盟2023届高三上学期12月教学质量检测数学文科试题(已下线)专题9 函数与导数 第5讲 导数与函数的零点问题江苏省扬州中学2022-2023学年高二上学期期末模拟数学试题
名校
6 . 设
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aef856ccee47353ead7952d2a1b7a72f.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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2022-12-24更新
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3卷引用:内蒙古呼和浩特第二中学2022-2023学年高三上学期12月月考理科数学试题
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解题方法
7 . 函数
的定义域为
,并且在定义域内恰有两个极值点
,
.
(1)求实数a的取值范围;
(2)若
恒成立,求出实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e21a3e5859e60eac5577399568d7885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70dde294ca55c3ddf5b40e556fddfdc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd888afdcfdb3e91a157d50f65e915e.png)
(1)求实数a的取值范围;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9786cf9fd8877c88f29f2d1f5895d99a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2022-12-14更新
|
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3卷引用:内蒙古赤峰市赤峰二中2024届高三上学期10月月考数学(文)试题
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8 . 设向量
,
,
,(
).
(1)当
时,求
的极值;
(2)当
时,求函数
零点的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/701949b246046d142cb05823367a5d7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf687571dd02aa1661a2fda2aad8da89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f6350871124933a4dcd4141406e351.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8e1dd8da540badcb9a8f427c5b202e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2022-12-12更新
|
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解题方法
9 . 已知函数
.
(1)讨论函数
的单调性;
(2)当
时,
,记
在区间
上的最大值为
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a153ecb899eb3aa6f386fef85b113d69.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c5fbaf5e37903a27a075c4754fff0d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5a2de15c2cbe542124a4d19ba4002df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f5a90aeba435af22d6bcdb7b91650b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a8ef49b5cfdf05dc247f546ffbbb5f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4ac317aed61534a5a3b48e865fadbf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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2022-11-08更新
|
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3卷引用:内蒙古自治区赤峰市2022-2023学年高三上学期10月月考理科数学试题
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10 . 已知函数
.
(1)讨论
的单调性;
(2)若不等式
恒成立,求a的取值范围.(参考数据:
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba999cee5959a441ad0b5791e40ca21c.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b264695eb64191093e64ba3d529fd009.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c5fb21e343281ca5599cea1721fa59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45e60f965e9a2d1298596deb4ff0717.png)
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2022-10-21更新
|
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5卷引用:内蒙古蒙东七校2023-2024学年高三上学期十一月联考理科数学试卷