名校
1 . 已知函数
(
为实常数).
(1)若
,
,求
的单调区间;
(2)若
,且
,求函数
在
上的最小值及相应的
值;
(3)设
,若存在
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbc41584b9b1dea8288ed938d05a1a8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce4430b8b9b0c78de693513a7f88915.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77443438a0f4f2a50f73497402175eea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579e2c39e6c0a640357e3b0ccd6f954a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfe44972e8bf50ec9d250f298bbee0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50e1b76ce5348de2f813d418f6ca8b5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
2 . 已知a是实常数,函数
.
(1)若曲线
在
处的切线过点A(0,﹣2),求实数a的值;
(2)若
有两个极值点
(
),
①求证:
;
②求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d31d28ab074c158340fd5fb53ef91a5d.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b5300f2d0cdf34de189a6be1b518891.png)
①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e88e0ee148e48a406420e824a70c831.png)
②求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43343a1b7cf1cbcc44045d4cffa083b2.png)
您最近一年使用:0次
2016-12-03更新
|
870次组卷
|
4卷引用:2019届内蒙古鄂尔多斯西部四旗高三上学期期末联考数学(理)试题
名校
3 . 已知函数
.
⑴求
的单调区间;
⑵若
在
上恒成立,求所有实数
的值;
⑶证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63cec7ed64ff94340ade727558b07aea.png)
⑴求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
⑵若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9da98e415cc14fc6e03561a7a72d95b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e881fec40d166eecf66123058faf05fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
⑶证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1387f815a7ea223d77cefd02aee80e2b.png)
您最近一年使用:0次
2016-12-03更新
|
658次组卷
|
5卷引用:2015-2016学年内蒙古赤峰二中高二上学期期末理科数学卷
名校
解题方法
4 . 已知函数
(
是自然对数的底数,
).
(1)求函数
的单调递增区间;
(2)若
为整数,
,且当
时,
恒成立,其中
为
的导函数,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7054dbcd9ad1998688f13392344cc43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d347d5b8729ddc0417eb8eb0a13c7218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2016-12-03更新
|
497次组卷
|
3卷引用:内蒙古赤峰市2016-2017学年高二下学期期末考试数学(理)试题
5 . 已知函数
.
(Ⅰ)当
时,求函数
的极值;
(Ⅱ)若函数
在定义域上没有零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f1bad9bceed1cdfa3eea59a84d82085.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
12-13高三上·江西九江·阶段练习
名校
6 . 已知
(
).
(1)当
时,判断
在定义域上的单调性;
(2)若
在
上的最小值为
,求
的值;
(3)若
在
上恒成立,试求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/133bb541dbb30d83cd28f5c8f0dcec76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/811c6fbc93bafee69ded75316ef05122.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b08bfe13cc4271a5e53e4bdba023097.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e1c9c97de9198d47306216e9961b80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-02更新
|
529次组卷
|
9卷引用:【全国百强校】内蒙古北方重工业集团有限公司第三中学2017-2018学年高二下学期期末考试数学(理)试题
【全国百强校】内蒙古北方重工业集团有限公司第三中学2017-2018学年高二下学期期末考试数学(理)试题(已下线)2013-2014学年江西南昌市四校高二上学期期末联考理科数学试卷2015-2016学年内蒙古准格尔旗世纪中学高二下第一次月考理科数学卷河北省阜城中学 2017-2018学年高二上学期期末考试数学试题【全国市级联考】辽宁省大连市2017-2018学年高二下学期期末考试数学(文)试题(已下线)2012-2013学年江西省九江一中高三上学期第一次月考理科数学试卷(已下线)2012-2013学年山东省淄博市沂源一中高二下学期期中模块检测理科数学试卷(已下线)2014届广东深圳第二高级中学高三上学期第一次月考文科数学试卷(已下线)2014届甘肃省张掖市第二中学高三11月月考文科数学试卷
9-10高三·云南昆明·阶段练习
名校
7 . 已知函数
.
(1)设
,讨论
的单调性;
(2)若对任意
恒有
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/514192d6835c24d7979e13a8bc8f72fe.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047056c99b39c70fa40d3c8178e5b631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d752d8db8a05b3ec7312f6ac8b64a07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次