已知函数
.
(1)谈论
的单调性;
(2)若
在区间
上有解,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eabb7721e9fd45b2b48257f9f7480e65.png)
(1)谈论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e390f45a8413c7b10023ea0d6543ca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
19-20高三上·河北廊坊·阶段练习 查看更多[11]
2019年9月河北省廊坊市高三上学期高中联合体数学(文)试题河南省2019-2020学年高三上学期阶段性考试(三)数学(文)试题河南省周口市鹿邑县一高等校2019年高三上学期10月月考数学(文)试题辽宁省葫芦岛市六校协作体2019-2020学年高三上学期11月月考数学(理)试题河南、河北两省重点高中2019-2020学年度高三上学期段性考试(三) 数学文科试题(已下线)2020届高三12月第01期(考点03)(文科)-《新题速递·数学》(已下线)2020届高三12月第01期(考点02)(文科)-《新题速递·数学》陕西省榆林市子洲中学2020-2021学年高三上学期第一次月考数学(文)试题广东省广州市禺山高级中学2019-2020学年高二下学期期中数学试题宁夏吴忠中学2020-2021学年高二下学期期中考试数学(文)试题湖南省衡阳师范学院祁东附属中学2020-2021学年高三上学期第三次月考文科数学试题
更新时间:2019-11-07 15:42:53
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解答题-问答题
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较难
(0.4)
解题方法
【推荐1】设函数
,
,(其中
,
)且
是函数
的极值点.
(1)求
;
(2)函数
恰有两个零点;
①求
的取值范围;
②设
为
的极值点,
为
的零点,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfcea74d330997ee9c92a223c0335851.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e33fdfc14e09b9adc68a72d92b96c92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03e6015b9f78f19c75b5e243592c23f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
②设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64df36fd0b37b72d36fe21e10f5d67f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e702432261edc0e58dc4cd8f9cccf2b.png)
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解答题-证明题
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(0.4)
名校
解题方法
【推荐2】已知函数
.
(1)若曲线
与直线
在
处相切.
①求
的值;
②求证:当
时,
;
(2)当
且
时,关于的
不等式
有解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a41198ca8bcec2b2760f6ae69146573.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e0246d91a9d5ac62ab83d43bcb3238c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/740c8b81d24bfec72afdc0882b029e67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ca4667cb16007f419edc2777c1b89d8.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d94d8136d61895ccb27868cbcb7c1650.png)
②求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56bde3eee1ed45da0e2541a46e83b1a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca19212da5bb6171f1a65546749d13b.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966b60302d80d8613675bb3dd5c03164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9479701e404b968cbd835084f9a80a1c.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
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较难
(0.4)
名校
【推荐3】已知函数
.
(1)若
,讨论
的单调性;
(2)若
,
是
的极大值点.
①求实数a的取值范围;
②若存在实数
使得
成立,求b的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/898643e49e42b6289719d6e43372114b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5f421939ee855f25927e7570d82c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
①求实数a的取值范围;
②若存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e2af339f3ce60a4534d7e9dcbd0005f.png)
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较难
(0.4)
【推荐1】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7614b97c58a8c59943013292dee64aa.png)
(1)讨论
的单调性;
(2)若
存在两个极值点
,
,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7614b97c58a8c59943013292dee64aa.png)
(1)讨论
![](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/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/759a8fce33cc836b832c41f6cf5f3af1.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐2】已知函数
.
(1)讨论
的单调性;
(2)若
在
上有零点,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b17d0c8f5c9f37d2db982df628982dd.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c459c5d37f30210330dbeaf49f5662f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d79fe3414b32bbd1190b41ed8307f905.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐3】设函数
(其中
).
(1)求函数
的单调区间;
(2)当
时,讨论函数
的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4855801e1db1c844ca86ae97256bd4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36b234ba460321e811de1729eadd4b6.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次