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1 . 已知函数
有两个零点.
(1)求
的取值范围;
(2)设两零点分别为
,证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a72d15c3f47f19ef0d28147fc264a70.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设两零点分别为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f93f6d13fd7f0f208459faa0685cc81e.png)
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2卷引用:甘肃省张掖市高台县第一中学2024届高三下学期模拟考数学试题
2 . 已知函数 ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/634f7efbbe5f523e690e38471d1b1d70.png)
(1)当
时,求函数
的单调区间;
(2)当
时,试判断函数
零点的个数,并加以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/634f7efbbe5f523e690e38471d1b1d70.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d4a2d4a99bf35ab3fefbdf9a442df2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
名校
解题方法
3 . 已知函数
的值域为
,
,
,
,则下列函数的最大值为
的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bef8c9abc999aa5aaca6810ae257d4b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23d0d9829e0f5f313d8a0a705c4d5879.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3838d126e7480e3e0827999f3cf9f771.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1218eda19f74a1ed50ab106265c6621f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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4 . 已知函数
.
(1)讨论
的导函数
的零点个数;
(2)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b95fa5caed27a33771d2f5b7ecfb68.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cab2f2f093a7266e3a12a53c96587452.png)
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5 . 已知在正方体
中,
,点
,
,
分别在棱
,
和
上,且
,
,
,记平面
与侧面
,底面
的交线分别为
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/664cb015c21d04d2ec7a059425700cdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b32f2e19364f81d155b87a38f6d61d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/580eaaa85b3d3d61a7e48ea7b618cc75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5402c2b7bb37dc8be6f0ca3ab82a8fd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebb05874eb3353d754af24c9974273e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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6卷引用:甘肃省白银市靖远县第一中学2024届高三下学期模拟预测数学试题
甘肃省白银市靖远县第一中学2024届高三下学期模拟预测数学试题辽宁省名校联盟2024届高三上学期12月联合考试数学试题辽宁省名校联盟2024届高三上学期12月月考数学试题广东省中山市第一中学2024届高三第一次调研数学试题(已下线)第2题 空间中截面最值问题(压轴小题)(已下线)专题08 几何体截面与展开最短距离归类(1) -期末考点大串讲(苏教版(2019))
名校
解题方法
6 . 已知抛物线
上有一点
,
为抛物线
的焦点,
,且
.
(1)求抛物线
的方程;
(2)过点
向圆
(点
在圆外)引两条切线,交抛物线
于另外两点
,求证:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c06d1663b8c2cfbe0308470a3b1c5d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/091bb3c75e9827076e9fbd84685c260e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0c2632c02415c656fb4bda6f89a8b08.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ba90e580d1cad80017e2b197262c8de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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名校
解题方法
7 . 已知函数
的定义域为
,其导函数为
,且
为奇函数,若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4a33d1591f2a6e1c1f7a39e7d962d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e81e15b871dd32b2438ef8025bcc42d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efe645cfa4c2cfaaf016b1003fc378d9.png)
A.![]() | B.4为![]() | C.![]() | D.![]() |
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8 . 已知函数
有三个零点
,且
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b333711b891493c64fec455eb8b480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 如图,对于曲线G所在平面内的点O,若存在以O为顶点的角
,使得对于曲线G上的任意两个不同的点
恒有
成立,则称角
为曲线G的相对于点O的“界角”,并称其中最小的“界角”为曲线G的相对于点O的“确界角”.已知曲线C:
(其中e是自然对数的底数),点O为坐标原点,曲线C的相对于点O的“确界角”为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75afceb135e4ac785f39844702563f32.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7177a92a7fe1bde8050b258b8310513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae008f237c3360defae5da277a9d0f56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75afceb135e4ac785f39844702563f32.png)
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5卷引用:甘肃省白银市靖远县第一中学2024届高三下学期模拟预测数学试题
甘肃省白银市靖远县第一中学2024届高三下学期模拟预测数学试题江苏省连云港市2023-2024学年高三上学期期中数学试题河北省部分高中2024届高三上学期期末数学试题(已下线)黄金卷05(已下线)专题10 切线问题【讲】
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10 . 已知函数
.
(1)当
时,求函数
的图象在点
处的切线方程;
(2)对任意
,有
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e2b0c6ae99897bc046cebd63271e1c1.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3d6848b0e6b6315bb84006d418e0702.png)
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