2024高三·全国·专题练习
解题方法
1 . 已知
.问是否存在
,使得
若存在,求出
的取值范围;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db885bcc03565aa2ad49fba46d219123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1e7507801c71834002632b164138eb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac133625f32922eed106f8b50f95b705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
您最近一年使用:0次
名校
解题方法
2 . 已知
,
.
(1)若
,求
;
(2)已知全集
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34ebb6354217884a54a1434fd547f9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a80785d808cac069d4707af324e090fb.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)已知全集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/442be389c6471b36eff2652b75beb114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5ab8d9f2599a56921cb5695f8573165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
3 . 已知函数
.
(1)若
的单调递减区间是
,求a的值.
(2)若关于x的不等式
的解集为
,求不等式
的解集;
(3)若
,求关于x的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/137f95a216a91c5d249b7efada410121.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be381da62d4a042476aa11dbd5824e8d.png)
(2)若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/881fe2df23c5a0fe1d1fecbe9ffa55fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61fd9965603fe4f2bc75102af9136774.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
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2024-06-08更新
|
489次组卷
|
3卷引用:天津市滨海新区大港油田实验中学2023-2024学年高二下学期第二次月考数学试卷
名校
4 . 已知集合
,非空集合
.
(1)当
时,求
;
(2)若
是
的必要条件,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da81f9eb69beba3e297f507bc431a826.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68996b0e58fc8d2236c285d18e9cda9b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7848c89302a41e9576530313fc3e61b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/653bcf7b627c3b87fcb310732313d9b0.png)
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2024·全国·模拟预测
解题方法
5 . 已知函数
.
(1)求不等式
的解集;
(2)若
,且存在
使不等式
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9579ecce76691f7459198e8a69c0d13.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40a1783a95ef17b28034ff496c6e811b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e57c8d506f718856bd8885fb02e65e3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e567280269e186e2fe2363e34e106c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
6 . 设集合
,
,
.
(1)设全集
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55caa42f444e0b6948660942623df4af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb50d33156d87943dc70bf3a04712719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a0bd1633d30d1a5a230fbeeb7659417.png)
(1)设全集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c809a690704482d7258dad5b406482b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
7 . 已知
对任意
,有
,若
,求x的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8ee0bd8a541d6c1057325f7f4287a64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa130b80a64f150b2ab78d40cf128c8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/985c6ed2a37efcbc1718590a4277e278.png)
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2024高三·全国·专题练习
解题方法
8 . 已知f(x)=求f(f(x))≥1的解集.
您最近一年使用:0次
2024高三·全国·专题练习
解题方法
9 . 已知集合A={x|x2-4x-5≤0},B={x|2x-6≥0},M=A∩B.
(1)求集合M;
(2)已知集合C={x|a-1≤x≤7-a,a∈R},若M∩C=M,求实数a的取值范围.
(1)求集合M;
(2)已知集合C={x|a-1≤x≤7-a,a∈R},若M∩C=M,求实数a的取值范围.
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