已知集合
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2daaaabeede11de93b061fa30d8c8c48.png)
(1)命题
命题
,且
是
的必要不充分条件,求实数
的取值范围;
(2)函数
的定义域为
,若
,实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0b4492ef773d9427b6f49482be9d96b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2daaaabeede11de93b061fa30d8c8c48.png)
(1)命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42f92adf41ae315465e3f68998bbd569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218c5309e534904dc6bf768074965239.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/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aea4609d4f356adb06e8419de7228c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/959f3c514abb15185a429e1b2f1674e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2024/07/15 08:36:05
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解答题-问答题
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适中
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解题方法
【推荐1】已知集合
,集合
.
(1)若
;求
;
(2)若
,求实数
的取值集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02ff235b3be7e69410683bdd99bd0b4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa1e1e9b714b8f8159390ace745842d4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab839d8569171afab5ed55c22013aa72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30b417a11d6e094cbc308577ff13e40.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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适中
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解题方法
【推荐2】设全集
,集合
,
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08302ac011cc9be0dfb06b9e62ebcbe1.png)
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(1)当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/992560295e63b4319ad0684fa5e3c43a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
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(1)求m的值;
(2)当
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,若
,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46ee3e1d5ce69414b4d3c0f2e06341d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8913975917230b51416df710fbda98b5.png)
(1)求m的值;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53224898de85a85058ad336490bbbaa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c0ed188d083966baaae94e6b86064f9.png)
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【推荐1】已知函数
,
.
(1)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ef654f34438ab9a0308e9fa2ebfc367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ebdbdaf657ad47e8c482060448efb4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44e312eca38032174f9739126b81d012.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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【推荐2】(1)已知函数
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【推荐3】已知函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/482adba96db9042a930a861d61a1f0b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
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【推荐1】已知命题![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a93561782677da08e4d844988368a877.png)
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【推荐2】(1)解关于x的不等式
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(2)化简:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb8677fc6aa7ee2f54c821789165aa5d.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d54aa29195e60bfa83a17f96534f25f.png)
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(2)判断函数
的奇偶性并证明;
(3)是否存在正整数
,使得不等式
成立?若存在,求出
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74088e31acd9bc94dc8bc34e616bef64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
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(1)求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a3b6d2bae64096f4c8b347f951eb38f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
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适中
(0.65)
名校
解题方法
【推荐2】已知函数
.
(1)若关于
的不等式
的解集为
,当
时,求
的最小值;
(2)若存在
、
,使得
,求实数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/237e4359ed92f9f72c16a0ddee2350b4.png)
(1)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
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(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1b009710b02d4a235c73c88bdccdae7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/031cbfd0c35757f261d2ccffb6e9750e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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