名校
解题方法
1 . 对于定义在区间
上的两个函数
和
,如果对任意的
,均有不等式
成立,则称函数
与
在
上是“友好”的,否则称为“不友好”的.
(1)若
,
,则
与
在区间
上是否“友好”;
(2)现在有两个函数
与
,给定区间
.
①若
与
在区间
上都有意义,求
的取值范围;
②讨论函数
与
与在区间
上是否“友好”.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbd8466b576ad34d6ef492599940f4b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23fb90e09994fdc6ab02ed6ba664f31f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b593315a098b5310825524dd1834af9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc43e80f74233a226ee4be0da36f566c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca158b11ff270aaa25b3e7a2cbd8e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23fb90e09994fdc6ab02ed6ba664f31f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b593315a098b5310825524dd1834af9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da2bd445988f2649ac453bd4eff5fa2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e96bc6f6b7038abd491e38312daa2ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2477a9211001569dccb3cd9f192fdc71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23fb90e09994fdc6ab02ed6ba664f31f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b593315a098b5310825524dd1834af9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8004d42bd7116586301f92ba77bb3cde.png)
(2)现在有两个函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0470b33d96ba3f63539fad13000a6688.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19abb56d8cb4f6192ed4a3ee2db3afe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7bf9161a241929e71172182c07ae31b.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23fb90e09994fdc6ab02ed6ba664f31f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b593315a098b5310825524dd1834af9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7bf9161a241929e71172182c07ae31b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23fb90e09994fdc6ab02ed6ba664f31f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b593315a098b5310825524dd1834af9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7bf9161a241929e71172182c07ae31b.png)
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名校
2 . 设
,
,定义
(
,且
为常数),若
,
,
.
①
不存在极值;
②若
的反函数为
,且函数
与函数
有两个交点,则
;
③若
在
上是减函数,则实数
的取值范围是
;
④若
,在
的曲线上存在两点,使得过这两点的切线互相垂直.
其中真命题的序号有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67c31bcbfa7ce32026f5a03c53af5c9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee5e9381c307e521206b509eaff56282.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8a07f439f530a67ec0ff4fbbdd9695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa532bdd75fcc2019afdc074b6d15d9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe74d4035b713442a3a035004f73cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed3d14acdf397d6c0d692680f4de6de7.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c49ca8562b98657ca9c499093f7233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fbe0102d90ed019aeb3aa3f62ea3716.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb0a083414da486a8d915844b5107a5c.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02f196f6236188084f3b2c9f2b68c05c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2628e2dd7a988cc80530e739c22b2280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b59a8cc435d7daff57891d6b7468416.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8e1dd8da540badcb9a8f427c5b202e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02f196f6236188084f3b2c9f2b68c05c.png)
其中真命题的序号有( )
A.① | B.② | C.③ | D.④ |
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名校
解题方法
3 . 已知
,当![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
______ 时,
取得最小值,最小值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/372fc66e4dac769ed6eaba8f030d697f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70b8eca8a27ff7b03e4f4202cf4199de.png)
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解题方法
4 . 计算:
(1)
;
(2)已知
.且
,
,求
的值.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37c96a7e2a1adf68cca1a470aef99065.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c850d55a9f3275704dcaa78804ca367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8826cc2b9db6d76f7b9d5bb4e8832ee0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c2fc88cb139f6353cc047eb21547bd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
名校
解题方法
5 . 设
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97d0f2e25c1e3558f63b11db6a57f512.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69f4f98834e82cd74b57ac5f64d934c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9208d9417d1fc15a0cee71a72b98e049.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
6 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da2b355c1533ecc94ca912eee5b0b21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
7 . 计算下列各式的值:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42ef84717d6ea9c6dd5ec61828535977.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892c54d31e0b8f893cb6adb842f40d8c.png)
您最近一年使用:0次
名校
解题方法
8 . 执行如图所示的程序框图,若依次输入
,
,
,则输出的结果为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/7/7975367b-1c9e-4630-8eb5-eea0765eff61.png?resizew=135)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e848ce9ab8b4733785b2c7fad2a8cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076fd9decbd6da32e45aa776e465b1c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f081ea75d2013f80875926dc6850c373.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/7/7975367b-1c9e-4630-8eb5-eea0765eff61.png?resizew=135)
A.![]() |
B.![]() |
C.![]() |
D.以上都不对 |
您最近一年使用:0次
2024-03-08更新
|
48次组卷
|
2卷引用:四川省成都市石室中学2023-2024学年高一下学期开学考试数学(理科)试卷
解题方法
9 . 函数
是偶函数,则实数a的值是____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34de2de43d4d892326b00a2a5e1a2ff5.png)
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名校
10 . 已知函数
,若
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6f300eeb26ac58f879a55d3cede12c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/478052f005a72e660f55b439e77955dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/744d912144d640628abd6482ed71accf.png)
您最近一年使用:0次
2024-03-07更新
|
340次组卷
|
2卷引用:四川省德阳市德阳中学校2023-2024学年高一下学期入学考试数学试卷