名校
解题方法
1 . 若
对于
恒成立,则实数
的取值范围是_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7003cdb7a2b2029afd2f98c0e1ad90d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44c9ced2a343c4eb166f385c3dbf2217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-04更新
|
465次组卷
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2卷引用:2016届辽宁省大连师大附中高三下学期精品文科数学试卷
名校
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8e66fbec5584325765e29a6927a5928.png)
(I)若
,求函数
的极值和单调区间;
(II)若在区间
上至少存在一点
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8e66fbec5584325765e29a6927a5928.png)
(I)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(II)若在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c0b6ca237b90b49a91d9d74d007efdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/133cb4bfa780967fce1ef6181f2cf545.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-04更新
|
922次组卷
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3卷引用:2015-2016学年辽宁东北育才学校高二下期中文科数学试卷
名校
解题方法
3 . 设函数
,
,且
存在两个极值点
、
,其中
.
(1)求实数
的取值范围;
(2)求
的最小值;
(3)证明不等式:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ddc8055d5b2a41961866c6435f267be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4792ef6097a15b8dc2f974572759f4c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.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/26d8dafc71b106f39f4e15442220897b.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/926e244a75d7a90244c236e406d6f58b.png)
(3)证明不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d9bb0f6b26fd5e66b49f54b6913c2eb.png)
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2016-12-04更新
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2卷引用:2016届辽宁大连八中、二十四中高三联合模拟理数学试卷
13-14高三上·辽宁丹东·期末
名校
解题方法
4 . 设函数
.
(1)若对定义域内的任意
,都有
成立,求实数
的值;
(2)若函数
在其定义域上是单调函数,求实数
的取值范围;
(3)若
,证明对任意的正整数
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40311f5136a51ebde0d34a270a8babe5.png)
(1)若对定义域内的任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12b76be0cb464b2a141d76963e5295a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b86304c3e26200299a0480641525a283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb0e77cbfda68ec015188a0d1d6d8eb.png)
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2016-12-04更新
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4卷引用:2013届辽宁省丹东市宽甸二中高三上学期期末考试数学试卷
(已下线)2013届辽宁省丹东市宽甸二中高三上学期期末考试数学试卷2016届山东省实验中学高三第一次模拟理科数学试卷湖北省部分重点中学2018届高三7月联考数学(理)试题【全国百强校】甘肃省兰州市第一中学2018-2019学年高二下学期期中考试数学(理)试题
名校
解题方法
5 . 已知函数
,曲线
在
处的切线方程为
.
(1)求
的值;
(2)求函数
在
上的最大值;
(3)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ea764080dd9860df23c7022ca914ea6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac490af25fb49d4f880bbac29a0ee874.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
(3)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/302b30eb9868d1ed08e5f149f18ede1c.png)
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8卷引用:辽宁省葫芦岛市第一高级中学2016-2017学年高二下学期期中考试数学(理)试题
6 . 已知函数
.
(1)当
时,求函数
的极值;
(2)是否存在实数
,使得当
时,函数
的最大值为
?若存在,求实数a的取值范围,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d34ffb17746845c579c2e0af9cea0c3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a51e2b8f615b2cc7eca7fda25efb507d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1af9c7ef9ed07dc35a71aa4717c5ec18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36f470c8110557549d35eee84bf7c97a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4889b4b46d3cd6dd677d200bdf4914fe.png)
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7 . 若对
,
,使
成立,则
的取值范围是_____________ .
![](https://img.xkw.com/dksih/QBM/2016/3/1/1572509023150080/1572509029048320/STEM/9ea4d117c2f9443d8e9a2abfb03c2de5.png?resizew=84)
![](https://img.xkw.com/dksih/QBM/2016/3/1/1572509023150080/1572509029048320/STEM/c5ef66cd8e7845dbb974459787db45a6.png?resizew=73)
![](https://img.xkw.com/dksih/QBM/2016/3/1/1572509023150080/1572509029048320/STEM/c69718afd76743df852d054692086d05.png?resizew=255)
![](https://img.xkw.com/dksih/QBM/2016/3/1/1572509023150080/1572509029048320/STEM/00b7766853c64c928c6e32ee4584d97b.png?resizew=13)
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名校
解题方法
8 . 已知函数
,
,(
为自然对数的底数).
(1)若不等式
对于一切
恒成立,求a的最小值;
(2)若对任意的
,在
上总存在两个不同的![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ea8f47d8d8d9e1832d52b1c7425450.png)
,使
成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba790bfc7240d9f86fea1f9367a4cc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6ade1f23caf19960aa209bf443e9632.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0900642509853376f5100dfe6baff871.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1e2e7d16b98db0a84713456623c456d.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b207855ac1e23e451a5ddddb2026992c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64ec44e16c942d84044f6fb4d1ec9266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ea8f47d8d8d9e1832d52b1c7425450.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/687ec4e10bc3c8bd4c18b9950dda944e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31296474ad150954afd21b32d71d81c4.png)
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2016-12-04更新
|
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4卷引用:2016届辽宁省鞍山一中高三上学期12月考二模文科数学试卷
解题方法
9 . 设函数
的图象在点
处的切线的斜 率为
,且函数
为偶函数.若函数
满足下列条件:
①
;
②对一切实数
,不等式
恒成立.
(1)求函数
的表达式;
(2)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c742f0d6beae58a26faaafe7c1f21e2.png)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1db176fdfd567783fb1437e37243e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/510825d073784709634a2e2e4b08b23c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2183ba00d69af06d9a950469b38cfe4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4977735f606aa34abc5e7587d1433bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2183ba00d69af06d9a950469b38cfe4b.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f8801d683f15d87a42dc1403cdcbbcc.png)
②对一切实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e2560a8795ce73a04496ddf68834381.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2183ba00d69af06d9a950469b38cfe4b.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c742f0d6beae58a26faaafe7c1f21e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62d5fa85887816de29bcff4f143e3f0c.png)
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2016-12-03更新
|
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2卷引用:2016届辽宁省沈阳市二中高三上学期期中理科数学试卷
名校
10 . 设
为实数,函数 ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9004b6f6bc06d0995a94a10301f8c813.png)
(1)当
时,求
在
上的最大值;
(2)设函数
,当
有两个极值点
时,总有
,求实数
的值.(
为
的导函数)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9004b6f6bc06d0995a94a10301f8c813.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1392bc24e214e9550b64d982ea9cdf71.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f7f2b0b04b9a44542cb3c95d716bfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dae74c724114bfeff024dd7b79f5edc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d94c749e864a49611ca87c4cb333bf88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f972a7a1d05b45cffb5a291f0863c7e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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2016-12-03更新
|
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5卷引用:辽宁省沈阳市东北育才学校2016-2017学年高二下学期第二阶段测试数学(理)试题