名校
1 . 已知函数
若
,且
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daeb462fc3e5427f9687bff7142323d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e45e961dd36b8f85703c91f248da3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d20c3dafde4449a064998a6e8a2bae.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2 . 在椭圆
中,A、B是左右顶点,P是椭圆E上位于x轴上方的一点.直线PA、PB分别交直线
于M、N两点,PA、PB的斜率分别记为
.
(1)求
的值;
(2)若线段PB的中点Q恰好在以MN为直径的圆上,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d82bdda318755491600d352fff955b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be03641c9e23456c63a8eb57a3540f62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42623f14667ebfa914eb12d026023d6f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4757181824e15e0f21e5bdd55448783.png)
(2)若线段PB的中点Q恰好在以MN为直径的圆上,求m的取值范围.
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解题方法
3 . 已知F是双曲线
的右焦点,过F作渐近线的垂线,垂足为
.
(1)求双曲线E的标准方程;
(2)过P作直线l与双曲线E交于两点A、B,记FA、FB的斜率(斜率均有在)分别为
,证明:
是定值,并求出这个值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e1e81a0995ee5492c4281539c65bf00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3c9708ef0dc6d6f5dcf6596d3e4f6e5.png)
(1)求双曲线E的标准方程;
(2)过P作直线l与双曲线E交于两点A、B,记FA、FB的斜率(斜率均有在)分别为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42623f14667ebfa914eb12d026023d6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4757181824e15e0f21e5bdd55448783.png)
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4 . 如图,正三棱柱
的各棱长均为
,点
和点
分别为棱
和棱
的中点,先将底面
置于平面
内,再将三棱柱绕
旋转一周,则以下结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/7/a2e9b3a9-9fd0-449b-8237-b02f00938a56.png?resizew=200)
A.设向量![]() ![]() ![]() |
B.点![]() ![]() |
C.设![]() ![]() ![]() ![]() ![]() |
D.直线![]() ![]() ![]() ![]() |
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5 . 已知某
的直角三角板斜边长
,动点P到直角顶点距离始终为
,记P到三角板斜边两个端点距离分别为
,则
范围为____________ (单位平方厘米).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb26c5cdef6f16f4b39cd091041b439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc31bf4b6ed8cf336432a5a2791e67e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc5d70176873d0db587aef076102723c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c39ccc43fac44ef2f172209434ea7ec.png)
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解题方法
6 . 设a为非负实数,函数
.
(1)当
时,写出函数
的单调递增区间;
(2)若方程
有且只有一个根,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9daeffe390915297f07a2e57de4faa7.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b92b70365c63607daecdc8deb73ecf.png)
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7 . 已知函数
,若当
时,
,则
的最小值是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f7d5306a139c40ad003bf50449484ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe276c0522839b1d37086d92612aa7c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a288aa67223c76cbff6fce9849da801.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72850427e83ff19a24305783e080b280.png)
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8 . 设函数
若
恰有5个不同零点,则正实数
的范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1380b0b04b2cf047c25b6d6c6ce1b092.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ca40a2144a1e95ee7894df535724a5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-10-10更新
|
1482次组卷
|
6卷引用:浙江省湖州市第二中学2024届高三上学期期中数学试题
名校
解题方法
9 . 一般地,若函数
的定义域是
,值域为
,则称
为
的“
倍跟随区间”,若函数的定义域为
,值域也为
,则称
为
的“跟随区间”,下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/133a39a3960789a76fb6c9aadd55d1ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/133a39a3960789a76fb6c9aadd55d1ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
A.若![]() ![]() ![]() |
B.函数![]() |
C.若函数![]() ![]() |
D.二次函数![]() ![]() |
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解题方法
10 . 如图,在棱长为2的正方体
中,P为线段
上的动点,则下列结论错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
A.直线![]() ![]() ![]() |
B.当![]() ![]() ![]() ![]() |
C.当![]() ![]() |
D.若![]() ![]() ![]() |
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