名校
解题方法
1 . 已知函数
.
(1)求
的极值;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfcea74d330997ee9c92a223c0335851.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14ef77c5ca443b038dd5be9edd4e05f6.png)
您最近一年使用:0次
2024-06-12更新
|
2035次组卷
|
4卷引用:四川省成都市金堂县淮口中学校2024届高三下学高考仿真冲刺卷(一)文科数学试题
四川省成都市金堂县淮口中学校2024届高三下学高考仿真冲刺卷(一)文科数学试题2024届山东省威海市高考二模数学试题(已下线)第六套 艺体生新高考全真模拟 (二模重组卷)陕西省西安市第一中学2024届高三第十六次模拟考试数学(文科)试题
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2 . 已知函数
.
(1)若过点
可作曲线
两条切线,求
的取值范围;
(2)若
有两个不同极值点
.
①求
的取值范围;
②当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b30e674c62fd9e25645b3984827759a6.png)
(1)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a948d2f7732d7f03e986c63712089b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e868d1326bf73ac658885d4936bbe04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7913a814e2c4ba5e643af885b6ff0efb.png)
您最近一年使用:0次
2024-06-11更新
|
612次组卷
|
4卷引用:四川省眉山市2024届高三下学期第三次诊断考试理科数学试题
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解题方法
3 . 已知函数
.
(1)当
时,求
的最小值;
(2)①求证:
有且仅有一个极值点;
②当
时,设
的极值点为
,若
.求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2efe2b4b78548b27554a16f30cbbda8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c04c105ef35ea19d5a74738079e758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ae1942a92849b7de5cf879777bf5868.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0821dd73cd58f5b7dc26dbea4b7eed29.png)
您最近一年使用:0次
2024-06-08更新
|
665次组卷
|
3卷引用:四川省南充市2024届高三高考适应性考试(三诊)文科数学试题
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4 . 已知函数
.
(1)若
有3个极值点,求
的取值范围;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d8eff3dc14de8ff5939ff18eec8a5d5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d95df35db9ff7fde786093b08c257835.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-06-08更新
|
538次组卷
|
3卷引用:四川省大数据精准教学联盟2024届高三第二次统一监测理科数学试题
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5 . 已知函数
.
(1)若
有3个极值点,求a的取值范围;
(2)若
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea7e5b411f6da6205a662e665b0a4d2a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5c0a8155f5a6af42d37856f6c95a0bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b350c15b75c4f313bbd0a87a3de292e.png)
您最近一年使用:0次
2024-06-07更新
|
503次组卷
|
2卷引用:四川省大数据精准教学联盟2024届高三第二次统一监测文科数学试题
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6 . 已知函数
,其中
为常数.
(1)当
时,讨论函数
在
上的单调性;
(2)若
,
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24670a10bb526d0b42f1b629107ab9c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0181bf64d17abccd76c313b47c720b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d752d8db8a05b3ec7312f6ac8b64a07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
7 . 已知函数
.
(1)记函数
,求函数
的极大值点;
(2)记函数
,讨论函数
的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dca3edf674aae74c0e2cdb6cbff08b8.png)
(1)记函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa662f0273f0921c1fa4727f632395.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
(2)记函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e4a4bc63eb2d670eca32bb563945c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b426608a06477f57cb994f4d00e4465d.png)
您最近一年使用:0次
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8 . 设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbd18a365538d3c908f83f153f07b81b.png)
(1)当
,求函数
的零点个数.
(2)函数
,若对任意
,恒有
,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbd18a365538d3c908f83f153f07b81b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fadd2e6f0aa16c2c466c904474ffc79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/421d5e7e3e87de82a3d01b6ddf6eb35c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cfbb21997037d6c236a7f0679b9ea21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-06-06更新
|
78次组卷
|
2卷引用:四川省成都石室中学2024届高三下学期高考适应性考试(一)理科数学试题
名校
9 . 已知函数
.
(1)当
时,求函数
在区间
上零点的个数;
(2)若
时,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b0be43c6546fa793eb3b1b3eacb682e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d01dc2d99655cf7598837cb0886166ed.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
10 . 已知函数
(
,
)在点
处的切线方程为
.
(1)求函数
的极值;
(2)设
(
),若
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae435e8177f5269c671a5b7de47ae85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd0914dc4d4c7f75710ff460a286fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1d8d5cea065075fe50706abe3ae802.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/335afda0a0f5fe4b78d257977828b110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85187c85826beeca12137805293fff77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次