名校
解题方法
1 . 已知函数
.
(1)解不等式
;
(2)若函数
,且
的值域是
的值域的子集,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65511f8b06f35dc63fc03946b97f3a32.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ca478360c8223d3aa337eb199c7c56.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a6f4134e7fb5de8d2fb9e4578ce8fa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2022-07-03更新
|
221次组卷
|
4卷引用:河南省平顶山市2021-2022学年高二下学期期末数学文科试题
2 . 已知
.
(1)求不等式
的解集;
(2)设
的最小值为
,
,
,
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c35e5c2939fb6320230190d5dc472120.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b562ca77fa64f3ebe40e0ad49833d5.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab04de6651256f6281e9f4c1dc3c7955.png)
![](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/8e136b188b9c3209c9ec71743cca3f96.png)
您最近一年使用:0次
2022-07-03更新
|
289次组卷
|
3卷引用:四川省达州市2021-2022学年高二下学期期末数学(文)试题
解题方法
3 . 已知函数
.
(1)若
,求不等式
的解集;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ab948198dd547ba4b7c05add98f04ba.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef6f4cf539a232bc766768a9bc257b5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e37dbf7154859cf1f604cd5234ccf677.png)
您最近一年使用:0次
名校
解题方法
4 . 平面内,定点A,
的坐标分别是
,
,动点
,设函数
.
(1)求不等式
的解集;
(2)若函数
的最小值为
,且正实数
满足:
,试比较
与
的大小,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/079dd115a4b8cbc93918a853363786dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a948d2f7732d7f03e986c63712089b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/924886b76c218169b2f4d00bb7e9563c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8633c1a35a84d7a2a110faa29d68a47.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667cb91683f94d0dcaf3d803fbfb6838.png)
(2)若函数
![](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/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d86be2de99fbf7f99cd54ab399146b00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b76f36ae34a673185c08fee2377d4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fff79f625351f0a1df19f827010c4a3.png)
您最近一年使用:0次
2022-07-01更新
|
89次组卷
|
2卷引用:江西省宜春市2021-2022学年高二下学期期末质量检测数学(理)试题
解题方法
5 . 已知函数
.
(1)求不等式
的解集;
(2)若不等式
对任意
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5085ee680ca75340465a3abe770f89.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3c30c319ce05620e78073115d8f3b88.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e92b2625b65bdc45b71c72a3d3f4dc91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29aef458f2367b76432719f6f56275d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-07-01更新
|
190次组卷
|
2卷引用:江西省抚州市七校2021-2022学年高二下学期期末考试数学(理)试题
名校
解题方法
6 . 已知函数
.
(1)求不等式
的解集;
(2)若对任意
,都存在
,使得
成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4aa493c31aab9beee10b0ef8079dfb6.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667cb91683f94d0dcaf3d803fbfb6838.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec80634a6e2b2c85f845fa368b3a5969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc657c0b715e190f59ad61d765c86f41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec6154e00013d9dee84c0e941f676ea9.png)
您最近一年使用:0次
2022-07-01更新
|
403次组卷
|
4卷引用:江西省上饶市六校2021-2022学年高二下学期期末联考数学(文)试题
解题方法
7 . 已知函数
.
(1)求满足
的最大整数a的值;
(2)在(1)的条件下,对于任意正数
若
,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09496af7f651e4f28a5c5baf9ca30617.png)
(1)求满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f2075bdc811db6403f4e573bb643803.png)
(2)在(1)的条件下,对于任意正数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b9a6ced78d04dd5ef32e196e1d41044.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18bf676b743728833d21db05f7d55a0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15aeac891c878fd93f44dca6847a8061.png)
您最近一年使用:0次
2022-06-30更新
|
206次组卷
|
2卷引用:江西省九江“六校”2021-2022学年高二下学期期末联考数学(文)试题
解题方法
8 . 已知函数
(
为常数).
(1)当
时,求不等式
的解集;
(2)当
时,
,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c47f35ba6e37e9b8630e91921c0efca3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/665dc334a37e61c356b636604eb0f8c3.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e23f593cd4b055a3f6b0705cd70a99e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03fc9b782203205d2a0ad3187b97c885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
您最近一年使用:0次
2022-06-30更新
|
88次组卷
|
2卷引用:江西省吉安市2021-2022学年高二下学期期末教学质量检测数学(文)试题
名校
解题方法
9 . 已知函数
,
.
(1)若
,求不等式
的解集;
(2)若对
,不等式
都成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e13cf3fef7af05a583dfe5ad66b72356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d752d8db8a05b3ec7312f6ac8b64a07.png)
(2)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01763135d635b9b15ce07a0d9ec34c28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2022-06-30更新
|
224次组卷
|
3卷引用:江西省赣州市2021-2022学年高二下学期期末考试数学(文)试题
名校
解题方法
10 . 若不等式
的解集为
,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75c8bf7675f353ca656df5917ff0488c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da3a6d011679952771607b3a166676b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次