已知函数
,
.
(1)讨论函数
的单调性;
(2)当
时,正数
,
满足
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9936c590a5f5c03c715951ca4d29df96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0fbc3a2bd4bda8edd94e5353ef98bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f78ae07b1452e4f9dd8ba93db61d17.png)
17-18高二下·河北邢台·阶段练习 查看更多[10]
【全国市级联考】河北省邢台市2017-2018学年高二下学期第三次月考数学(理)试题【全国百强校】福建省莆田第九中学2017-2018学年高二下学期第二次月考数学(理)试题河北省枣强中学2019-2020学年高二下学期期中数学试题安徽省六安市霍邱县第二中学2019-2020学年高二下学期段考数学(理)试题(已下线)极值点偏移专题02 极值点偏移问题判定定理福建省厦门双十中学2021届高三上学期期中考试数学试题(已下线)极值点偏移专题04含参数的极值点偏移问题重庆市万州第二高级中学2021-2022学年高二下学期五月第二次质量检测数学试题重庆市万州纯阳中学校2021-2022学年高二下学期5月月考数学(B卷)试题江苏省江阴市某校2023-2024学年高二下学期5月阶段检测数学试题
更新时间:2020-10-04 09:21:39
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解答题-证明题
|
较难
(0.4)
解题方法
【推荐1】已知
,
.
(1)若对
内的一切实数
,不等式
恒成立,求实数
的取值范围;
(2)当
时,求最大的正整数
,使得对![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53424552a63dd03ccfb7486746263023.png)
是自然对数的底数
内的任意
个实数
,
,
,
都有
成立;
(3)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3489631037cd3a2764942ee0ff68c942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24082f2413ad95d1da26e88a3c8c349.png)
(1)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03db4ea1dcb63b22cf4e917df5db581e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43920f5171ed31db2520ef00e4c5fc24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53424552a63dd03ccfb7486746263023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49c3baab24e1431bb36bca5d65ea19cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/596afe6f8149e39c53d36a759bee6151.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f793628edf0385358b18206f76105d8.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79441e4eb84f8e7641efcd7faa2abbaf.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
解题方法
【推荐2】已知函数
,若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5cf6d66d47fe086072420078569799a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d14db580ca7a37d9a420322c126f1380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐3】已知函数
,其中
是自然对数的底数.
(1)当
,求
的极大值;
(2)若存在
,使得
,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/082a85a8a95e88f05e43ef38c7472fb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9f58d4591d668b4bc32fae4faab8298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859458471c86ae39e0cc42d2d960d03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e8d8441014892f9ad3dbaad3f89774e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-证明题
|
较难
(0.4)
【推荐1】设函数
.
(1)讨论
的单调性;
(2)当
时,求证:
(e为自然对数的底数).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcc323317d52f62a15fd04b6b94e6045.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f55d23732dca7de2d0a5a4a5c741552.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
解题方法
【推荐2】设函数
.
(1)若函数
在定义域内单调递增,求
的取值范围;
(2)若不等式
恒成立,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b81201c3429d401ff1e14d34eb94075.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69f0c35ddcf222558b2a6d1546128825.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d5354b073a1f30b5be23e4910613652.png)
您最近一年使用:0次
解答题-问答题
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较难
(0.4)
名校
【推荐3】已知函数
.
(1)求曲线
在点
处的切线方程;
(2)若
(
)有两个零点
,
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a578ac9355f69a612e14742997249d23.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8145758226601870f0366210b150e047.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6657f5dd2a7723fcee6a7a10ca21d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f453036c4ee28c3cd292e2614175a46.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐1】已知函数
.
(1)讨论
的单调性;
(2)若
,关于
的方程
有两个不同的根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab2756b89c14ede66a7461f5217d224.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39900a2d790732077ffb571427a134fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15ad6ea0b7c4d003647fd5defca73eb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐2】设函数
的定义域为
,其中
,
.
(1)若
,判断
的单调性;
(2)当
,设函数
在区间
上恰有一个零点,求正数a的取值范围;
(3)当
,
时,证明:对于
,有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab04c00cb5139b5c92c4873a7283cc43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f00bba28ce932fbcc82ed562994f031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be466586da8810ccfd811c59a747adb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcea8c57a071e59f89bda6ca4500b465.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d79fe3414b32bbd1190b41ed8307f905.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e34f42b3be15518c29e3689c9fe6d6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f8365233f341451598eb50525a1557a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/457ad56bd6d042f4fc8db00000f317ec.png)
您最近一年使用:0次
解答题-问答题
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较难
(0.4)
【推荐3】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93938b1aaf982363c92e6f8c7763336e.png)
(1)若
,求曲线
在点
处的切线方程;
(2)讨论函数
的单调性;
(3)设
,若函数
有两个零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93938b1aaf982363c92e6f8c7763336e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b44b5e079cc2b61d1165435852ab3a64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次