1 . 已知
且
,函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/264b429a06f1e9c8b91471e4b08aaded.png)
解关于
的不等式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6000b174147cec2de26041837aec1b3.png)
当
时,求证:方程
在区间
内至少有一个根
![](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/264b429a06f1e9c8b91471e4b08aaded.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1baca09215d12421a58bd6a48ae16c35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6000b174147cec2de26041837aec1b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac0c12379ff58d8ddf66547d7a873baf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54ab2ab03be596b8b6ad32cf52f82169.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/972cfd3677c0f6342a57d3ab58cf0356.png)
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2 . 已知
,如果关于x的不等式
的解集中恰有3个整数解,则实数a的取值范围是_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a91f1fc729f30c5bcdeeb3ab0633c12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d768ef35d4e9aeb451d0a956b0618c71.png)
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2020-02-29更新
|
462次组卷
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3卷引用:上海市上海外国语大学附属中学2019-2020学年高一上学期期中数学试题
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3 . 若关于x的不等式:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218790ce1f3b2d3f2659649e9f939bf2.png)
(1)解此不等式;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218790ce1f3b2d3f2659649e9f939bf2.png)
(1)解此不等式;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adbbf4669faacac34733670a96d3f1e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解题方法
4 . 已知
是定义在
上的奇函数,且
,若
,
时,都有
.
(1)解关于
的不等式
;
(2)若对任意
,
,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417ab20883d799aaf311371393fa7d7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d87cd4403487962c38c8707ba3ab3fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcaae881eb8bb0a226525ce56238c0ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3cd71690942ef82b8dc04580efc93a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a9503261613b1b51d58d5bbfe33e4ef.png)
(1)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/207b9d9e901e3c8359f8439d96593e3b.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f0ca536621ec8db02707ba65917029.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/262d7da8f17131eef23addd1854b170d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f4f4a5c7d050086cd21767c37e17670.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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5 . 已知函数
是定义在
上的奇函数,且
,
(1)确定函数
的解析式;
(2)用定义证明
在
上是增函数;
(3)解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6794b9b34ac23dc91f77f307b4b0cf4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321b6c58f9bcbbcf99ba037e3bd4497a.png)
(1)确定函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)用定义证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
(3)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a669b7345ccfe4cfbe6de2765f1fd74.png)
您最近一年使用:0次
2019-11-12更新
|
555次组卷
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5卷引用:西藏拉萨中学2019-2020学年高一上学期期中数学试题
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6 . 已知函数
.
(1)指出函数
的基本性质:定义域,奇偶性,单调性,值域(结论不需证明),并作出函数
的图象;
(2)若关于
的不等式
恒成立,求实数
的取值范围;
(3)若关于
的方程
恰有
个不同的实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91d51f20de449bb518d8ccddcd2970a8.png)
(1)指出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](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/893b785b7c2f2b86a041bbc2317105dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9a2f6aa1362f427fa41c9de7110f6c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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2020-01-30更新
|
663次组卷
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3卷引用:上海市大同中学2017-2018学年高一上学期期中数学试题
名校
7 . 已知函数
.
(1)当
时,判断并证明
的单调性,解关于x的不等式:
;
(2)当
时,不等式
对任意实数
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c54972a959eebaf652e908d63bcc3a29.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b99d9d6a6d6f049db4e37f2070747db.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/805130677f4e7ef19960218244e120a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538193a4717d564c01145e82314c2d1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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8 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60988f95004b31f784e53dc78a9a3fbb.png)
(1)讨论函数
的定义域;
(2)当
时,解关于x的不等式:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48a3ad96dd6960e1233e5874d67ab668.png)
(3)当
时,不等式
对任意实数
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60988f95004b31f784e53dc78a9a3fbb.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48a3ad96dd6960e1233e5874d67ab668.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/805130677f4e7ef19960218244e120a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998485ffeb46a0412ff1a0f814429257.png)
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2019-12-29更新
|
1913次组卷
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6卷引用:安徽省安庆市七中2019-2020学年高一上学期期中数学试题
安徽省安庆市七中2019-2020学年高一上学期期中数学试题(已下线)考点10 对数函数(练习)-2021年高考数学复习一轮复习笔记(已下线)专题4.11 指数函数、对数函数的综合应用大题专项训练(30道)-2021-2022学年高一数学举一反三系列(人教A版2019必修第一册)(已下线)第4章 幂函数、指数函数与对数函数(基础、典型、易错、压轴)分类专项训练-2022-2023学年高一数学考试满分全攻略(沪教版2020必修第一册)(已下线)第11讲 对数函数(9大考点)(1)(已下线)专题2.13 对数与对数函数-重难点题型精讲-2022年高考数学一轮复习举一反三系列(新高考地区专用)
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9 . 已知函数
.
(1)判断
的奇偶性与单调性;
(2)解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/362bfce584209628bc4ad3f23e3d7b11.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f779cf4b0e52bbcf9b6e896a2ce4b685.png)
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2019-12-26更新
|
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2卷引用:山西省晋中市平遥县第二中学2019-2020学年高一上学期12月月考数学试题
10 . 已知函数
,
,其中
.
(1)解关于
的不等式:
;
(2)若函数
的最小值为
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce106b9e6495d83f818ac6ade11483a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f2b74960251cdb8ab39546f055bd99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
(1)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44e312eca38032174f9739126b81d012.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e15c2171c1be9ec394494ad822a048d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2019-12-12更新
|
345次组卷
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2卷引用:江苏省苏州市常熟市2019-2020学年高一上学期期中数学试题