名校
1 . 已知函数
.
(1)讨论
的单调性;
(2)若
有两个零点,求
的取值范围;
(3)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1992673f2428acad25b02245ce76d589.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/0a6936d370d6a238a608ca56f87198de.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f282f2194d01cbeb220569de607d7c7.png)
您最近一年使用:0次
2022-05-31更新
|
1394次组卷
|
3卷引用:天津市南开中学2022届高三下学期高考前热身练习数学试题
名校
2 . 已知函数
.
(1)求
的最小值;
(2)记
为
的导函数,设函数
有且只有一个零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1854065878814208bc3ec014820d4c5a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)记
![](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/1d66f181779742d4bca75ec07a437f06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
3 . 已知函数
.
(1)当
时,求曲线
在点
处的切线方程;
(2)若方程
有两个不等实数根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ece24d1b65771b23cf485a654e62790.png)
(1)当
![](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/5828873f8369183faf71181cda5b61d2.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b92b70365c63607daecdc8deb73ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
4 . 已知函数
.
(1)求函数
的单调区间;
(2)若不等式
恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb727c12898baef8941abfb6330a6ce8.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74c9008a8122ebaba65a0fe52203870a.png)
您最近一年使用:0次
2022-05-30更新
|
533次组卷
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2卷引用:江苏省2022届高三高考前临门一脚数学试题
名校
解题方法
5 . 设函数
,
为实数, 若
有最大值为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebb5f8f12bc33a60caf8413716379e5c.png)
(1)求
的值;
(2)若
,求实数
的最小整数值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3565128febc7f4da5076327dd555bf19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0877194ab8760f54c35527177b03ff93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1b0b1b780bba81665ceb6cf7f00313d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebb5f8f12bc33a60caf8413716379e5c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e822d76fe92f26c05764e4186798d66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2022-05-30更新
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1259次组卷
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5卷引用:湖北省仙桃中学2022届高三下学期第四次半月考数学试题
名校
6 . 已知
,
(1)求
在
处的切线方程以及
的单调性;
(2)令
,若
有两个零点分别为
且
为
唯一极值点求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07b8ef4c0ab9333ce61970ecf54c0a48.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea9824af71c9da5db5a00ec06063024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ec3dd08243ce7e9ba69ad79edc70d95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
![](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/c04ddd92ea0665845393e47f4b4a7679.png)
您最近一年使用:0次
名校
解题方法
7 . 函数
.
(1)讨论函数
的单调性;
(2)若函数
有两个零点
,且
,
①证明:
;
②证明:
.(注:
为自然对数的底数)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78f0fa7c6dbebbe6a9b3047cfdf5bfed.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
①证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a02fc3f3f9a948aaca31a898ee704.png)
②证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/570e7346e7e04289a5fdaf8d2090e005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797bbd18359c9a29842b39109b3a0aac.png)
您最近一年使用:0次
8 . 已知
,
.
(1)讨论
的单调性;
(2)若函数
与
的图象恰有一个交点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24c8c5acc4ae9b1e5aca676b614833d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3056096285f2126ebfbb9127c396de44.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.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
2022-05-29更新
|
1101次组卷
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4卷引用:江苏省南京师范大学附属中学2022届高三下学期5月模拟数学试题
江苏省南京师范大学附属中学2022届高三下学期5月模拟数学试题江苏省宿迁市泗洪县洪翔中学2022-2023学年高三上学期暑期学情检测数学试题(已下线)江苏省南通市如皋市2022-2023学年高三上学期10月诊断调研测试数学试题(已下线)江苏省南通市如皋市2022-2023学年高三上学期期中模拟数学试题
名校
9 . 已知函数
,
.
(1)当
时,求函数
在点
处的切线;
(2)若
对任意的
恒成立,求实数
的取值范围;
(3)求证:
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1311c1c23e54391ff9052f0df09f485a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27bcb0a5f3d22e9df052879fb0d0d4d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f822c5d0ca02fd710b9a35a3fc4c4374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4cbc7b067862a3d9c6789b392fc068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/035638c27917660d1161757eb28a4015.png)
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2022-05-29更新
|
1486次组卷
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5卷引用:天津市耀华中学2022届高三下学期一模数学试题
名校
解题方法
10 . 设椭圆
的左右焦点分别为
是该椭圆C的右顶点和上顶点,且
,若该椭圆的离心率为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e03e526bee86a144d8e6b648b0314233.png)
(1)求椭圆C的标准方程;
(2)直线l与椭圆C交于
两点,且与x轴交于点
若直线
与直线
的倾斜角互补,求
的面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae13b2a96f91ab64fb4948de2b0ae10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3246fceeda2581b5093d77f9daa81ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36bdc3272bcfe1214b7d041718187860.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e03e526bee86a144d8e6b648b0314233.png)
(1)求椭圆C的标准方程;
(2)直线l与椭圆C交于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3015eea1309a7cea34438008d082233d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3b3bc650f38bb543619aec19da94b0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64b55f4ca2d21088854e1aeb040fa950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15cce1078f3aa0a452fb89f30ab38c8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cd0a769f2f0a7ee797424fb6906aaf4.png)
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2022-05-28更新
|
1825次组卷
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7卷引用:浙江省嘉兴市海宁中学2022届高三下学期押题卷数学试题3