1 . 如图,已知圆台
的下底面直径
,母线
,且
,
是下底面圆周上一动点,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/6/11/9217506a-2438-4f44-b7fc-64d4d36123cc.png?resizew=173)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/270ddac9587bf1ea553914cb69595ab2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/6/11/9217506a-2438-4f44-b7fc-64d4d36123cc.png?resizew=173)
A.圆台![]() ![]() |
B.圆台![]() ![]() |
C.当点![]() ![]() ![]() ![]() |
D.![]() ![]() |
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2 . 已知函数
,
.
(1)求曲线
在点
处的切线方程;
(2)讨论
的单调性;
(3)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcd9a0cb1b1a65d4c9e871e0b71c6413.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/068ff25c767fcbe6fe596d996031eed1.png)
(2)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/301605e86e5a5e61a65c91cd3dd8b77e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1461a34c3ec0e78b4d43dab11dc66ce.png)
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解题方法
3 . 已知函数
,当
时,记
的最大值为
,有
,则实数
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74058d108d5e7bd0683e5c50b299f757.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64a088807989fd6e6df69e48d4c43122.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d09a2b7c019dae83e027830b82b3ee8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/844379f6794dfe567fcd7a0a73b81540.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.2 | B.1 | C.![]() | D.![]() |
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4 . 若存在直线与曲线
,
都相切,则a的范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf506d939c339a9ba0e88f6f4291718f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/577e691feafc7b4972dabb6295788f8b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-06-11更新
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4卷引用:浙江省东阳市2024届高三5月模拟考试数学试题
浙江省东阳市2024届高三5月模拟考试数学试题浙江省东阳市外国语学校2023-2024学年高二下学期5月月考数学试题(已下线)模块5 三模重组卷 第2套 全真模拟卷(已下线)第7题 切线相关的双变量问题(压轴小题一题多解)
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5 . 已知函数
在
(
为自然对数的底数)处取得极值.
(1)求实数a的值;
(2)若不等式
恒成立,求k的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef3d214d6b900403767211c010d115eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/187c21027ff08411931d32c530b64fd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)求实数a的值;
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e54174b9546b73be70037a14ba95bda3.png)
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2024-06-09更新
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解题方法
6 . 已知函数
,设甲:
;乙:
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/146855e81a8243c1d658581961437daf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05fce924911d5ed93147dfce9e41c2b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
A.甲是乙的充分条件但不是必要条件 | B.甲是乙的必要条件但不是充分条件 |
C.甲是乙的充要条件 | D.甲既不是乙的充分条件也不是乙的必要条件 |
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2024-04-29更新
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3卷引用:浙江省金华第一中学2024届高三下学期高考适应性测试数学试卷
浙江省金华第一中学2024届高三下学期高考适应性测试数学试卷(已下线)模块一 专题5 导数在研究函数性质中的应用B提升卷(高二人教B版)四川省眉山市仁寿第一中学校南校区2023-2024学年高二下学期4月数学滚动检测卷
解题方法
7 . 设
,
.
(1)若
,求
的值域;
(2)若
存在极值点,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4139ab5ebc5945753b122b498aebc834.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2024-04-19更新
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8 . 设全集为
,定义域为
的函数
是关于x的函数“函数组”,当n取
中不同的数值时可以得到不同的函数.例如:定义域为
的函数
,当
时,有
若存在非空集合
满足当且仅当
时,函数
在
上存在零点,则称
是
上的“跳跃函数”.
(1)设
,若函数
是
上的“跳跃函数”,求集合
;
(2)设
,若不存在集合
使
为
上的“跳跃函数”,求所有满足条件的集合
的并集;
(3)设
,
为
上的“跳跃函数”,
.已知
,且对任意正整数n,均有
.
(i)证明:
;
(ii)求实数
的最大值,使得对于任意
,均有
的零点
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2425552313d50a253bfb3cb4e9974ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5182856db60fa5cfda34c97b5748197a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02670179163cffe5070d209066b7aa12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d18ae300954e363c2637120f4f3ef82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45020afb5156159ad42add5537797ee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b05f8bcb38a5c47e2e8fe9889717fc88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61b4ceef651d43872a078d48092417d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61b4ceef651d43872a078d48092417d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2e77ed55488688257efc354fad8875c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c853fd24a33bd11fbf2d5dba50806d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00108abe0b3ee27e7549f6cc0d86c36f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61b4ceef651d43872a078d48092417d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02670179163cffe5070d209066b7aa12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61b4ceef651d43872a078d48092417d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3946552f0f9f048a916879402e4d315a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47efc68941a3be03f5bebbabfbe388fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06e94f0ab8e7418164e0c7481150e6b5.png)
(i)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d80a81e375bf3c3bdc3603ef7a2a37.png)
(ii)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b05f8bcb38a5c47e2e8fe9889717fc88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61b4ceef651d43872a078d48092417d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9fbab6e1a7963d26e1265e1686cba40.png)
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解题方法
9 . 已知函数
.
(1)求函数
在
处的切线方程;
(2)当
时,求函数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca805d78e66df151bf49a2ce6b2dc334.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ffd1f6bd3686a07efa4086a02b96a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2024-03-19更新
|
1969次组卷
|
3卷引用:浙江省金华第一中学2023-2024学年高三下学期模拟考试数学试卷
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解题方法
10 . 已知函数
,
.
(1)若
的最大值是0,求m的值;
(2)若对于定义域内任意x,
恒成立,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d01bbb0e6d81c7589029b69498c37fab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c8298a1722644c40ba8bea5b26f5d01.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对于定义域内任意x,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa18838a13fda4e45612c32cdf98b71.png)
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2024-03-08更新
|
702次组卷
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3卷引用:浙江省金华市东阳市外国语学校2023-2024学年高二下学期3月检测数学试题