解题方法
1 . 已知函数
.
(1)求函数
的极值;
(2)设函数
的导函数为
,若
(
),证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a54ae06f45443a86a386b8d10e1d2b3.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad1f38ab4116e36ab4441b28b55fbe4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f057bf79e066c9e6421f4efb06566a5.png)
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名校
解题方法
2 . 设
,
,且
,则下列结论正确的个数为( )
①
②
③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9872546d1d86a7f0b1c48a9ed42e47bd.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/5be97cd1c7111b654d87d8fbb63b6a84.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1e96edcafa0bc98a4e9bcc00d71cb91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d6739dddbc2978a79779bc7f8bf88c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9872546d1d86a7f0b1c48a9ed42e47bd.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
名校
解题方法
3 . 已知函数
.
(1)若函数
在
处切线的斜率为
,求实数
的值;
(2)当
时,
恒成立,求实数
的最大值;
(3)当
时,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c184406ae1fa0da48c6082b92d2219.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cdba5d5d80a36fc99da8c10b7518b9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57168c18d660dc5ec57a5395d4337eed.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/4479d8b0d4ee7850f1f71785553be042.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500faa44dfb3b1ccae2fec327bb0c82d.png)
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4 . 若函数
在
上单调递增,则
和
的可能取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be45e70aa4bd0579e4967058f9c8e4bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37558b80449f4a8942da5f32954661e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
解题方法
5 . 设
,
,且
,则下列结论正确的个数为( )
①
②
③
④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc922d69c77fabba2c19e47f3e779100.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/5be97cd1c7111b654d87d8fbb63b6a84.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1e96edcafa0bc98a4e9bcc00d71cb91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d6739dddbc2978a79779bc7f8bf88c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9872546d1d86a7f0b1c48a9ed42e47bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc922d69c77fabba2c19e47f3e779100.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
名校
解题方法
6 . 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)
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2024-06-12更新
|
2030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
名校
7 . 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)
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2024-06-11更新
|
609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
名校
解题方法
8 . 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)
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2024-06-08更新
|
664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
名校
9 . 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)
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2024-06-07更新
|
501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
10 . 已知函数
.
(1)当
时,求曲线
在点
处的切线方程;
(2)设函数
有两个不同的极值点
,
.证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70aefcb07ba9288d3e31491ef6df4a22.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.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/16d7fd43d15f4e7984e8db751c0752ce.png)
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