名校
1 . 已知
,函数
.
(1)求
的定义域;
(2)若
在
上的最小值为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/337dd9e26ddec96550aac3e3c1d9dda6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42cbd8674ef53c0238ebcadfa6f47b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc2a39beea5adf5d07aea0424ca7a64f.png)
您最近一年使用:0次
2019-01-10更新
|
835次组卷
|
7卷引用:【市级联考】辽宁省辽阳市2018-2019学年高一上学期期末考试数学试题
10-11高二下·河北保定·阶段练习
名校
2 . 若函数
的定义域为
当
时,求
的最值及相应的x的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdb8758e8d21ac3f5dd92b7c5b5228c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02fb3b22f0bc3c12d3b35789ab8a0faa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d689d4426b256f2cd5f73e48cc32879.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04dc555151cc763acb57cfbdb04a8b6c.png)
您最近一年使用:0次
2018-12-10更新
|
625次组卷
|
10卷引用:辽宁省沈阳二中2010-2011学年高二下学期期末考试数学(文)
(已下线)辽宁省沈阳二中2010-2011学年高二下学期期末考试数学(文)(已下线)2010-2011年河北省保定市一中高二下学期第二次阶段性考试数学2015-2016学年广东省兴宁市一中高一上学期期中考试数学试卷(已下线)2019高考备考一轮复习精品资料 【文】专题九 对数与对数函数 押题专练(已下线)2019高考备考一轮复习精品资料 【理】专题九 对数与对数函数 押题专练【区级联考】山东省临沂市罗庄区2018-2019学年高一(上)期中数学试题山西省朔州市怀仁一中2018-2019学年高一上学期第四次月考数学试题陕西省宝鸡市扶风县法门高中2019-2020学年高三上学期第二次月考数学(理)试题陕西省宝鸡市扶风县法门高中2020-2021学年高三上学期第一次月考数学(理)试题4.3节综合训练
3 . 已知函数
满足:
,且对任意正实数
,都有
.
(1)求实数a,b的值.并指出函数
的定义域;
(2)若关于
的方程![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
无实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eccde6215127252a49b8fd8c51d9258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3471484b64504fc545398f52be830010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b3fa17dc476d20082bf75f43a4b1f65.png)
(1)求实数a,b的值.并指出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efca8970223d52141cb5b8d8ba0f2f53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
4 . 集合
,函数
的定义域为
.
(1)求
;
(2)若
,且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07fe05a3a567e3ff7e4ffa81338b7d9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17bf0e07754af61d074cc8c656e9a6c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f74647a73f7ac2e17d4c5842146b8b5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e85b2769becce616348c308ccab037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
5 . 函数
的定义域为集合
,函数
的值域为集合
.
(1)求
;
(2)若
,且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fedb3c3baf5dcaf7702a34e768ad745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3207a3c8c9639219bbed6f397381b7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5d4621996282c096cde2a711d1bca8.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38227576bd5962dbf3f7afc3ff17c8c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e544b1304a6bbc87283cf741f134cebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2017-10-06更新
|
694次组卷
|
4卷引用:辽宁省抚顺市第十中学2016-2017学年高一上学期期中考试数学试题
名校
解题方法
6 . 设函数
.
(1)求
的定义域;
(2)指出
的单调递减区间(不必证明).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/662e19fcbb7f0dec9eace09f24946a16.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)指出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
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解题方法
7 . 已知函数
.
(1)求函数
的定义域;
(2)判断函数
的奇偶性,并说明理由;
(3)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2abeccc37cb5d6021b1da81b5c5c75c3.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2017-02-16更新
|
1122次组卷
|
7卷引用:2016-2017学年湖北孝感七校联盟高一理上期中数学卷
8 . 已知
且
,函数
.
(1)求
的定义域及其零点;
(2)设
,当
时,若对任意
,存在
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed27491d585564c405929cff70959f3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41db3b5b39e5f97ed5bb0bb0b46afa61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1cb9e00eabaf11e1caf2b48b2fa12f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/111077111b05c73ab9e035310c03731d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/032e8dc00cdc96860c9cbf8ac09677fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
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9 . 已知函数
,函数
.
⑴若
的定义域为
,求实数
的取值范围;
⑵当
时,求函数
的最小值
;
⑶是否存在非负实数
、
,使得函数
的定义域为
,值域为
,若存在,求出
、
的值;若不存在,则说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a60fae284ae85a9efe50ce8bc82f7076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b686f6a3e9ff3491859c9e22d3707694.png)
⑴若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bc0fe92249536297af1bd63d1fae659.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
⑵当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/186237a8f2a68a95b9d3e10a759699e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786eda51b7c31237eaa5d9ddccfb764.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fecc65b2bfb207896ef00c42334caaf.png)
⑶是否存在非负实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf7edb20ebe79157fb1d02a090bd5193.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17ea29370d323b80a41b93d02632e8df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cae36200e47814f8611667d0ccd0090.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
2017-02-08更新
|
889次组卷
|
3卷引用:辽宁省丹东市凤城一中2019-2020学年高一上学期12月月考数学试题
名校
10 . 已知函数
的定义域为
.
(1)求
;
(2)当
时,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96b52fc5d065880e72ec79aaa1a0f28e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5fb32dded72930d3f8a0fb081eb96a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06e18f7385debff741ef9b9d280412fd.png)
您最近一年使用:0次
2016-12-05更新
|
959次组卷
|
4卷引用:辽宁省瓦房店市高级中学2019-2020学年高二下学期期末考试数学试题