名校
1 . 已知函数
.
(1)求不等式
的解集;
(2)若
的最小值为
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab2df0ae1f2a2530b7bef95bb2e842d.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bfbe2eb6c502d3d304bbe3c95b54061.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3910a0f217d8109b9467f740fc84a73d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c925be255ca736a53b24d13ddede1a86.png)
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2022-11-26更新
|
342次组卷
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6卷引用:广西贵港市百校2023届高三上学期11月联考数学(理)试题
名校
2 . 设函数
.
(1)求
的最小值m;
(2)设正数x,y,z满足
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d418b8b3d3da1705724387cd8c30956.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设正数x,y,z满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b09c269c3c3e72532bc54b541e1222fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed5acf84f4b991f9c1662da814e1413.png)
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2022-04-08更新
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4卷引用:宁夏银川一中2023届高三上学期第二次月考数学(理)试题
20-21高一·江苏·课后作业
名校
解题方法
3 . 已知a,b,c,d都是正数,且
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcf7adcc976209d4b686156120bea276.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/272f8da86f3473b8448d0a51cae4dea9.png)
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2021-10-31更新
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3卷引用:河北省石家庄二十二中2023-2024学年高一上学期第一次月考数学试题
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解题方法
4 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2298f948c2a2aecf6f626074acf0da71.png)
(1)当
时,解不等式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a234b3bb2d3292921d8b30f04cd346f8.png)
(2)已知
,
,
的最小值为m,且
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2298f948c2a2aecf6f626074acf0da71.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a234b3bb2d3292921d8b30f04cd346f8.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0c59e50c6887129e05e553be11f8ccc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cab4ce3bcc137539cd0211fd32d5c160.png)
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2021-10-21更新
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2卷引用:江苏省无锡市南菁高级中学2021-2022学年高三上学期10月阶段检测数学试题
解题方法
5 . 解下列不等式:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a79c35929a5960cffdab097e5e2846.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6e192a0539a89492b3485a12fabbb31.png)
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解题方法
6 . 已知函数
且
为非零常数.
(1)当
时,求
的解集;
(2)当
时,求证
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bbe90515c45a493917ccfdc473f0456.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/188281cc0c7af6e95c32b9bbb94ffc21.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5849c56025eae3d81c3d501e9d7e2c3.png)
您最近一年使用:0次
名校
解题方法
7 . (1)求不等式
的解集;
(2)已知
,
,
是正数,求证,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a948436545d2360a5d7fea1c0ec461.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8457a40e540f7ffe8aabc3c5cbe365f.png)
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2021-06-05更新
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3卷引用:云南师范大学附属中学2021届高三适应性月考卷(九)数学(文)试题
名校
8 . 已知函数
.
(1)求函数
的最小值
;
(2)若正实数
满足
,且
对任意的正实数
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d28cf5f34ad31fd15e45e2272b013a89.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若正实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b15bd315b801f71bc30b8d772098614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5467def2b4c930a78c6a3f2cd6c611b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7efbd2066b32b6cefb2d115f491f60dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2022-09-20更新
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3卷引用:宁夏六盘山高级中学2023届高三(提升班)上学期第一次月考数学(文)试题
2021高三上·全国·专题练习
名校
解题方法
9 . 已知函数
的最小值为
.
(1)求
的值;
(2)求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14812c11aa84480f222cad305103795c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf0df1e145212bac7d432f9cc027663.png)
您最近一年使用:0次
名校
10 . 已知函数
.
(1)求不等式
的解集;
(2)函数
的最大值为
,若正实数
,
,
满足
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0022a58c849092f40b37f0d4bd27c491.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/502416314c8c26f8442e639ea6a5db13.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/741275cddc65d12f4db0c63fc804db10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af2820e6e888da175da63fb59e0990c8.png)
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3卷引用:山西省山西大学附属中学校2022届高三上学期9月(总第三次)模块诊断数学(文)试题