2022高三·全国·专题练习
名校
解题方法
1 . 已知函数
,A={x|t≤x≤t+1},B={x||f(x)|≥1},若集合A∩B只含有一个元素,则实数t的取值范围是____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f48f7e55bddac14d6884332dc5b9422.png)
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名校
2 . 已知命题
,命题
,若
是
的必要不充分条件,则实数
的取值范围为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94fb7723b27cdb4d2f17a67b79bba5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/762d7196bc9a1f15ee40c30425c07a3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
3 . 已知数列
的通项公式为
,其前
项和记为
,则下列命题正确的是______ .
①数列
为递减数列;
②对任意正整数
,
都成立;
③对任意正整数
,
都成立;
④对任意正整数
,
都成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22732a26be6397d9b3a24e38e377d036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
①数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
②对任意正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5737f1f9cad2471f3ca53241b25a1eb9.png)
③对任意正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/582d1bd08adeadb5912ce2da715e40d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dcca87389ac6398c9ebb7d57212f9c2.png)
④对任意正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/582d1bd08adeadb5912ce2da715e40d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0a876085fb849563e1019e8b4071ae.png)
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4 . 若
,则
的最大值是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03c407d88b8bd0b3e53a69fdcb005247.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f55cd72ce17c3c1d5592b764dbbfb76.png)
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解题方法
5 . 若不等式
的解集为
,则实数
的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f3b4cc1911be80fbabc3405d8992a8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
6 . 已知
:
;
:
,且
是
的必要不充分条件,则实数
的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92709e341e7783b8d358f8baaa7b4c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27cf157f48b438b625f7a14db6b4f7b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
7 . 已知函数
函数
,则不等式
的解集为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f7d2d6437c9004f82c22842b5f67de5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33e00e7e519a033c40e7b2a0e0c2beac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87bdd369fbcb0a9a19e6d7f26c193818.png)
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2018-02-22更新
|
494次组卷
|
8卷引用:福建省厦门市湖滨中学2018届高三下学期高考适应性考试数学(理)试题
8 . 已知函数
,若关于
的不等式
的解集非空,实数
的取值范围为___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e4b264f258c76909f1729a777dd8c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b41401205ffd923bd4faec4e1c22fb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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9 . 已知函数
,若对任意的
,都有
成立,实数
的取值范围为______________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/501f618cac9c3c9edb01470ac5aed8dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2608a57caffde627dbf140ca22a2ff8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2014高三·全国·专题练习
解题方法
10 . 不等式
对一切非零实数
均成立.则实数
的最大值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b11384361f6200f41c073a95fec406.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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