名校
1 . 设函数
定义域为D,对于区间
,如果存在
,使得
,则称区间I为函数
的“P区间”.
(1)求证:
是函数
的“P区间”;
(2)判断
是否是函数
的“P区间”,并说明理由;
(3)设
为正实数,若
是函数
的“P区间”,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e31b14d5b4da0298a7dea660b03d1066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d71122e87403561adbcdac88945c481.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2698a5500308daa68bc4c38d5caab41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03f0fadbe551b0e0eb7bf9440be740b9.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7a19bbab2270fc8e694527e801556cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6989274f11bf66835d5d4f82bce7f7.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65713c48e9847b892424ceee83b134f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/894b6be92b8cefcb58ab237211fef088.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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名校
2 . 设
,若不等式
对一切
恒成立,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b5f3f02f55830716cd03a8abdd22f6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c68a62ef17c66131157e090e30ae4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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3 . 设函数
,若
对任意的实数x都成立,则
的最小值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a89a2aa77183bb75eea40acf672ee979.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a969c52310f3137fcb40b6e0eb376a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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4 . 若
,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe1c707ddabefea824f66eac897b329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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5 . 设函数
.若
对任意实数
都成立,则
的值可以为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3a19e492656d24056fe4c7cd9de206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff46406cf7f298db70f81da8ea0ea4e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5263b8dee53419c1cef13519b25c09ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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6 . 已知函数
,若存在实数
,满足
,且
,
,
,,则n的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12959f65e9db83c446c35d3261a33171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83590c4a7ea5636843dd4b60c67cb40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2c245861d585da34512322102506f12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdd8aca43265bd67a26d37ea1a44665e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930bc56406e69b785b37a83d48e36724.png)
A.4 | B.5 | C.6 | D.7 |
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名校
7 . 已知函数
,若对任意的实数m,
在
的值域均为
,且在
上单调递减,则ω的范围为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9649221b1945a219b356924ded1848f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebb821a657b999e818f740c0815adfe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1417a39c99b1e6b489c7c033a0625af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa5c35d8ffdd32d362e6b0b9813fc5d.png)
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解题方法
8 . 函数
.
(1)若函数
的值域是
的一个子集,求
的取值范围;
(2)求
在区间
的单调区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e96d9b3d20c65bd776de6328984cc513.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fab11f38ab8593932082ec4d9c8c91f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f05ce1c760fe9cc68f5d03783088cf6.png)
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2023-03-30更新
|
148次组卷
|
2卷引用:江西省南昌市第十九中学2022-2023学年高一下学期第一次(3月)月考数学试题
名校
9 . 已知函数
的最小值为
.
(1)求
的值;
(2)求
的单调递减区间;
(3)求
在
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34ef2b637d8c7c64ea25270592e8c799.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b47a81a490ea06155c4215764e6364b.png)
您最近一年使用:0次
2023-03-28更新
|
634次组卷
|
4卷引用:重庆市部分学校2022-2023学年高一下学期3月大联考数学试题
重庆市部分学校2022-2023学年高一下学期3月大联考数学试题江西省南昌市第三中学2022-2023学年高一下学期期中考试数学试题(已下线)第26讲 正弦函数、余弦函数的性质(2)-【暑假自学课】(人教A版2019必修第一册)(已下线)专题5.8 三角函数的图象与性质的综合应用大题专项训练-举一反三系列
10 . 已知函数
有且只有1个零点,则实数
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5a055365636eb82a85bdef1deef316f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.0 | B.1 | C.2 | D.3 |
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