名校
解题方法
1 . 设全集
,集合
,
(1)求
;
(2)若集合
,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d390e61e9b8158564953ad5ed389f24e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef17a8c540a285a264bb43e71c322efb.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baac8ca87c94102c4b7f4381b8bbc1ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/438a4fbc4db6a280ed1f2cde04105b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2019-11-07更新
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6卷引用:湖南省衡阳八中2017-2018学年高一五科联赛数学试题
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真题
名校
2 . 设集合
,则
等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b800a45dba547f7f041e354ebff50aac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4afabfd5b4885311f8d9a4bcf791b71.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-01-07更新
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3 . 已知函数
对任意的实数满足:
,且当
时,
,当
时,
,则
象与
的图象的交点个数为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43c366c5c3f59a0ad981cb71e4d381e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9dbd0ea604e4290b9c6ee60e6909d4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59c772095390a58458e136891cc26a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b16589640a4b86c5c10620b267884982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a18ca67c2770b98f36dbfd802595a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c7fd122a98ee6de6ccf63891f5feb7.png)
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4 . 函数
的定义域为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7100d8fed8e27af50306b969ef2fb223.png)
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5 . 已知函数
对于一切实数
均有
成立,且
,则当
,不等式
恒成立时,实数
的取值范围是__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a6be06c23c58b16ff4c60c9643e904a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3471484b64504fc545398f52be830010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af1df2a8b51ea0efaaec4d6f96742e34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96911ef16875e95635c64bfd34276a09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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6 . 函数
的定义域为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf92ac30f6df74169b9736df79021d37.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 设
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f1080fbd3a9a997f22cd00cfb423d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66de474cd81259cf325dc6f2e2e927d9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2012高二·湖南衡阳·学业考试
8 . 已知二次函数
.
(1)若函数在区间
上存在零点,求实数p的取值范围;
(2)问是否存在常数
,使得当
时,
的值域为区间D,且D的长度为
.
(注:区间![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
的长度为
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d3ab6f32cadd60b30ae4eafe74aabce.png)
(1)若函数在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417ab20883d799aaf311371393fa7d7c.png)
(2)问是否存在常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fda0c60a5425682905a0906dc426112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a3b61682074e425635ee4082c18029b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/278bcfdcebc5b12afd32e35305a31e16.png)
(注:区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/691dacaa369a98eb9cbb4cff25017be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13502d46b8563c54c09b29b20b3006a4.png)
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9 . 若集合
,集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c71331e7c09128c3f8ade160b3283b1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d1a25cc011fb6fe9da137cecb8d9b0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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10 . 已知
,
.若
可表示成
的形式(
为正整数),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8255d540afdd24f608ab7ec231cff469.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fc40ef019eaa9eb6b29afa510eb0ba5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dda714f0968a0441e40394903565d455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49f033ede8c8a93dd119d340f755591c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9eeb173d21e60d6c01214afc6322f8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8255d540afdd24f608ab7ec231cff469.png)
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