名校
解题方法
1 . 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)
您最近一年使用:0次
2021-10-21更新
|
758次组卷
|
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
2 . 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)
您最近一年使用:0次
解题方法
3 . 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
4 . 设函数
,若对任意的实数
,总存在
使得
成立,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9db8bd789c17dedf25a510e16e51d4ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02c406375769f6139689c76eaee1093e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c222379395ca8dc4629ad62fbeddffc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
5 . 已知函数
.
(1)当
时,解不等式
;
(2)若不等式
恒成立,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5808364796071ffff1f3264794fd8c36.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdfec4233214c3a729c843dee0d186db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4b781b577380833bf91d2b2f1169c50.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0756ca575dadb9c928dbef4acaa27342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2021-07-09更新
|
355次组卷
|
4卷引用:河南省天一大联考2020-2021学年高二下学期期中考试文科数学试题
河南省天一大联考2020-2021学年高二下学期期中考试文科数学试题河南省濮阳市2020-2021学年高二下学期期中数学文科试题宁夏银川一中、云南省昆明市第一中学2023届高三联合考试一模数学(文)试题(已下线)宁夏银川一中、云南省昆明市第一中学2023届高三联合考试一模数学(文)试题
6 . 已知函数
.记
的最大值为
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ab8aee21231ab727182e6b0a4dd3f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760f804646698060703c5458ff5637c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760f804646698060703c5458ff5637c7.png)
您最近一年使用:0次
2021-06-05更新
|
210次组卷
|
2卷引用:浙江省2021届高三下学期6月高考方向性考试数学试题
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)
您最近一年使用:0次
2021-06-05更新
|
274次组卷
|
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
解题方法
8 . 已知函数
,且
的解集为
.
(1)求m的值;
(2)若
都为正数,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81391c13f09e87f087b324c1d4f7a5db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f33e126c1e2905de0e41b7f318923ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ef8a6cfd0796b8fefdf2a1cea026259.png)
(1)求m的值;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bffb2023d4df18003a60ec4f59d7b59e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb289aa685e613146873d686d742f78.png)
您最近一年使用:0次
2021-05-03更新
|
387次组卷
|
4卷引用:陕西省宝鸡市2021届高三下学期高考模拟检测(三)文科数学试题
陕西省宝鸡市2021届高三下学期高考模拟检测(三)文科数学试题陕西省宝鸡市2021届高三下学期高考模拟检测(三)理科数学试题陕西省宝鸡市2021届高三下学期第三次质量检测文科数学试题(已下线)文科数学-2021年高考考前20天终极冲刺攻略+(三) (6月6日)
9 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bf18cddcaa822a33b259af1c3a8135.png)
(1)解不等式:
;
(2)记
的最小值为
,若
,且
,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bf18cddcaa822a33b259af1c3a8135.png)
(1)解不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ec4add31dd4c2d48aadbb7bd13e607.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8674e0c29d69918736b83bdc8288dc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab04de6651256f6281e9f4c1dc3c7955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c506957f43332094eef6cd4f8fdbd1.png)
您最近一年使用:0次
2021-01-30更新
|
536次组卷
|
5卷引用:四川省巴中市2020-2021学年高三上学期一诊考试数学(理科)试题
10 . 已知不等式
的解集为
,则不等式
的解集为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8700ad1d98f7f544b752d1e6947dfdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac9c64ba837387d640de4b8e2191b1b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34a20c1a166b9c9811851d7e0ca1c9ab.png)
您最近一年使用:0次
2021-01-23更新
|
1050次组卷
|
2卷引用:辽宁省抚顺市六校协作体2020-2021学年高一上学期期末考试数学试题