解题方法
1 . 在
中,内角
,
,
的对边分别为
,
,
,则“
”是“
为直角三角形”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a14a9ddb43cb26bf071a05eede5f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分又不必要条件 |
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解题方法
2 . 设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51b615b6035480eecac6bf3db391032.png)
(1)当
时,求
的单调区间;
(2)若关于x的不等式
在
上有解,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51b615b6035480eecac6bf3db391032.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4698211bf7bce2cf6fb7e8f6d77abb5.png)
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3 . 已知函数
的定义域为
,且
是
的一个极值点,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13888daa009e02f62b01bdd18cefbbd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8a454588e9beb97c69a0332a7c5c796.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.方程![]() ![]() |
B.![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
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解题方法
4 . 已知函数
在区间
上有定义,且在此区间上有极值点,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f94af805f27b1067fca8bbb208486dc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667e5f8f4b038acd8e6d47cb9f1a7e57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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昨日更新
|
271次组卷
|
2卷引用:河南省濮阳市2023-2024学年高二下学期期末学业质量监测数学试题
名校
解题方法
5 . 设函数
的导函数为
的导函数为
的导函数为
.若
,且
,则点
为曲线
的拐点.
(1)若函数
,判断曲线
是否有拐点,并说明理由;
(2)若函数
,且点
为曲线
的拐点,求
在
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a00a7220fe1f1699aa32ea0c70a303.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2183b5237f02670ccbe463aaaca37977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/340ff33e08a468e3436ac38548e70149.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca411f2905fd482bd14cb0092e5a6279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91d9926b6bdb9f7dbf26df051c23a38d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43db00e106c7d08a76a7ba71ca5e63d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b349a0255eac463ce677030152df719e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320cb061dba082533476ec6e9ecd4c76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b680f82d5ee3804b1fa103044347956c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23c33b69adc112831fa115b5dffdb616.png)
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昨日更新
|
156次组卷
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3卷引用:河南省创新发展联盟2023-2024学年高二下学期5月月考数学试题
名校
解题方法
6 . 动点P在函数
的图象上,以P为切点的切线的倾斜角取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64ff0e845f47bce328499618de852189.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
7 . 已知函数
.
(1)若曲线
在点
处的切线方程为
,求
的值;
(2)若
为
的导函数,讨论
的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73ca2c7fecbe14aaf7dff40f4672f7de.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54479885d4ab2f717d2e97718da04b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9062458f8aea4872334ce64e85d621ae.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
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8 . 若关于
的方程
存在三个不等的实数根,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/4981ae6e64a38ec728e608db27c2057a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
9 . 若函数
有2个不同的零点,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f933078aeac7a903bf0fb8574e54f388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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10 . 已知函数
.
(1)求
的极值;
(2)判断
在
上的零点个数,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c48b58686218334cacf9c4e9cb7430e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8853bc37f10766093e9d6db1e34116ba.png)
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