1 . 已知函数
,其中
为常数且
,
(1)当
时,求曲线
在点
处的切线方程,
(2)若函数
在区间
上有且只有一个零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba34726226022b3356d5a7a2323b67a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bd69684b91e09f501685cb6672c19ea.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c6b6a11760d0724b0b60e55970e229.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3a8b597825ec5cc308ca3450676c1e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94a8d21fec01cd2f2cf3b1f62eb6515.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
2 . 已知函数
若
且
,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bfba16d9cbcc863500f42ed5edcadab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859458471c86ae39e0cc42d2d960d03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
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名校
解题方法
3 . 已知函数
,若
的最小值为0,
(1)求
的值;
(2)若
,证明:
存在唯一的极大值点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5fae1b99ef44c76e5fce67967866bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f5be3af0c67a20bee47063487d305f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9886fbf8d58de26924077e33808642f4.png)
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解题方法
4 . 已知
为抛物线
:
上的一点,直线
交
于A,B两点,且直线
,
的斜率之积为2.
(1)求
的准线方程;
(2)求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b43bbc8b76b2d27e3c70d89986bbe4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383ab33ac888a652eb33ede5106e12c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae3e00d0136417e3fed3b35f6bcefb8.png)
您最近一年使用:0次
2024-06-09更新
|
147次组卷
|
2卷引用:陕西省西安市第一中学2023-2024学年高三下学期高考考前模拟考试理科数学试题
名校
解题方法
5 . 定义在R上的函数
,
满足
,
,
,
,则下列说法中错误 的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d5493d69789b783cec2659106000d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a68a5f7a8708c64e4215dea3e30d8bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0f46344ad3b535a84c1d58dc30a6054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f07e4362f3fc00c0c9e7acf94f60810a.png)
A.![]() ![]() |
B.2是![]() |
C.函数![]() ![]() |
D.若![]() ![]() ![]() |
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6 . 已知函数
,其中
.
(1)讨论
的单调性;
(2)若
恒成立,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d0aa9511b226523291724894fdd477d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec6f2ac1f581a415cac5235661ed1981.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
解题方法
7 . 已知抛物线
和
的焦点分别为
,动直线
与
交于
两点,与
交于
两点,其中
,且当
过点
时,
,则下列说法中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8494e9bb893fda58992bdb2aeac7b3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a4ac6fb4079a522ea7858254b598e0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d7d5b7a335fb30a034976287aee9e05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/985d2392abc6dbf02f4c6a19761d6b53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f4f301698695ab54cd2f643e935c52d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6179bd1936944d2977cab330e0e351ca.png)
A.![]() ![]() |
B.已知点![]() ![]() |
C.![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
2024-06-02更新
|
477次组卷
|
2卷引用:陕西省安康市高新中学2024届高三模拟考试最后一卷理科数学试题
解题方法
8 . 设定义在R上的函数
满足
,且
,则
在R上的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16871121e76b7378967327378e9742ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e365a0f474ad40f96239b08a1ef52d54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
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解题方法
9 . 已知实数
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21473d2e97f0819254f323459d567688.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c41bdcf8b1cca7789bae72964765349c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21473d2e97f0819254f323459d567688.png)
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解题方法
10 . 已知椭圆
的离心率为
;直线
与
只有一个交点.
(1)求
的方程;
(2)
的左、右焦点分别为
上的点
(
两点在
轴上方)满足
.
①试判断
(
为原点)是否成立,并说明理由;
②求四边形
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9350036344273cd5d077f5066a1e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90ff138a12d957605d7633d4633e1f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45a6e2e2fd460de8f49b81554b1ae36e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45a6e2e2fd460de8f49b81554b1ae36e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/917f3c9ac241ee922574d8e4028d6a11.png)
①试判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/246ccbc152af7621bfb5f908e585670b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
②求四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/946d31a242044519078c3503f590c27e.png)
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