名校
解题方法
1 . 关于
的不等式
有解,则实数
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b021b127a6d00ae353a46bf995427923.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2 . 已知
,
,对任意的
都有
,则
的取值范围是_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c78fc54dee0dee8c889114611906df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83655a9220769796fe153f023528c91f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c0aa2ef928b6e3341d0a0dc6d8055b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ae828be829213bd6b66651dce99263c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
3 . 用数学的眼光看世界就能发现很多数学之“美”.现代建筑讲究线条感,曲线之美让人称奇,衡量曲线弯曲程度的重要指标是曲率,曲线的曲率定义如下:若
是
的导函数,
是
的导函数,则曲线
在点
处的曲率
.
在
处的曲率
的平方;
(2)求余弦曲线
曲率
的最大值;
(3)余弦曲线
,若
,判断
在区间
上零点的个数,并写出证明过程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090a91e4f3c8930674f98a9fa527709b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bac50c92211d6348b056335f6c83ea1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090a91e4f3c8930674f98a9fa527709b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e669b77945df783df093b549ac2a67d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bdb811e83e6f94b20dfa3ab68b1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/391039b1ebf01aa7def8a44c97ea05b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9311b13eb2baab6641da9e7b48e13e24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e029cc1f7d07eeb136bd3946a7eb23e3.png)
(2)求余弦曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/832d87f3c6bd439ef3d84a6c6da3642e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32410867843f1a7ef11410da8f3f8dab.png)
(3)余弦曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/832d87f3c6bd439ef3d84a6c6da3642e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cbffb683ddd3767c5ebd35ac9212f6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/877e6c30566e9d9b11ecf5b78f4c5e73.png)
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4 . 若函数
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ef7d79d7b83e5ac5277a63b9e12894d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a79d3b6033876287443c319ae381dd57.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 已知0是函数
的极大值点,则
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1889101e3cc7e37d29f1b9d62e17ee39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
6 . 已知函数
,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e16eaf154c6eb78e4c1b19e6aa1f0fc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ad269224cb110b03a9b62b090b4d10.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
7 . 已知函数
,
的图象在
处的切线交
轴于点
.
(1)求实数
的值;
(2)求函数
的极值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2288986eddea08711c2105dd278959ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b7999fb667f277e8bdee62e6b2560a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cf97118ad301f272a3fa66f2aa3abee.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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8 . 在同一平面直角坐标系中,
分别是函数
和函数
图象上的动点,若对任意
,则
最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e9e0c6acf97351409b3fe2d30054a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8faa5f6f296bd3c08757b697df7a7a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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昨日更新
|
111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
解题方法
9 . 已知等差数列
满足
,
为其前
项和,若
,
,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4927f5e4c0004453b4071074b543fa71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10599e638e83e2b43b08315a7ba93517.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655c46b33730f3a29b9ec3024df71375.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解题方法
10 . 已知可导函数
的定义域为
,其导函数
满足
,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9414348d57c7fc77dcfa8f0744cb0c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/132e592f60387d2a5b275c147a8b93e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ed4df20edf6e1fc0b671af6614244.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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