1 . 已知函数
(
),若对任意
,总存在
满足
,则正数a的最小值是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1982786864f37e6f954e8d70f9970620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6270bb08b90f72d5671ab8225f356c43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8c50d84d051a6e770d1eeefcdcd58b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859458471c86ae39e0cc42d2d960d03e.png)
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2 . 已知函数
,则关于x的不等式
的解集是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d1e2cf96f4ee48177ab306a8ecdf282.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f80961adb20a9cbf36b5bfe72cd66a8f.png)
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3 . 函数
的定义域是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/170379e21c216f59a9c613faf3a3c97f.png)
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18-19高二下·江苏南通·期中
名校
解题方法
4 . 已知
为定义在
上的奇函数,当
时,
,则不等式
的解集为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b64fac396f837765e79ffb7cb78c59d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/837151b8ff326973c158f8093ad25cd6.png)
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5 . 已知函数
,其中e是自然对数的底数,若集合
中有且仅有4个元素,则整数m的个数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73ec15955c444aa7be57f10153a29bca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d74ddae82c3b3629b49b6ddbde488fed.png)
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6 . 若函数
有且只有一个零点,
是
上两个动点(
为坐标原点),且
, 若
两点到直线
的距离分别为
,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ee62ad53f6f54052f1e917e949b898.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b40a40ff6043a6cdd3b6f0cb4bd9099d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecb5833a4faa5be16c96278a35a92c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e038856f2f17526001f8d70bd82a8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf2f1c1409a06278e847e6b573cef254.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a4b32d388558eb9a9e4f0f2dd57c09.png)
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名校
7 . 在平面直角坐标系xOy中,抛物线
的焦点为F.设M是抛物线上的动点,则
的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57138270953b36b6cbae4a2a072b8aed.png)
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名校
8 . 已知集合
,
,全集
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604aa675657a6b086ce1979fc1074c5.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/927fa1b3b9e05baa6d574df861b7a115.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30bcf97a2561507f93ecb7450ce82fab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604aa675657a6b086ce1979fc1074c5.png)
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9 . 若关于
的方程
有解,则实数
的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9652275d9c7cca81e3363f4b134aa8c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2020-03-02更新
|
409次组卷
|
3卷引用:江苏省南京市田家炳高级中学2020-2021学年高二上学期10月检测数学试题
名校
10 . 已知点
是线段
(
)上的点,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9450684ca4c5f6ee21f226f5f40abe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef6c4b95a538532c48cd53b73740aa20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/354a809b90fd44920e46a453e129acb1.png)
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