1 . 二次函数
(a,b,c是常数,且
)的自变量x与函数值y的部分对应值如下表:
且当
时,对应的函数值
.下列说法不正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
x | … | 0 | 1 | 2 | … | |
y | … | m | 2 | 2 | n | … |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d599059e6b2c918ab15ee22611b6962.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a57458464618fcf619375a93d3c66d69.png)
A.![]() |
B.![]() |
C.关于x的方程![]() ![]() |
D.![]() ![]() ![]() ![]() |
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2 . 一般地,若函数
的定义域为
,值域为
,则称
为函数
的“
倍伴随区间”,另函数
的定义域为
,值域也为
,则称
为
的“伴随区间”,下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f62e0a7ec931569bcc9c911f2c249d56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.若![]() ![]() ![]() |
B.函数![]() |
C.若函数![]() ![]() |
D.二次函数![]() |
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2024-03-25更新
|
322次组卷
|
2卷引用:湖北省新高考联考协作体2023-2024学年高一下学期2月收心考试数学试卷
3 . 已知函数
,值域为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9a318701fb54b49b1f92283b74f026f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7f2c72ab559a0615db4c51327b78d4.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() ![]() |
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4 . 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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5 . 已知函数
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e613ace9e6bd25ec7ad8c48a8b9cc6cf.png)
A.当![]() ![]() ![]() |
B.对于![]() ![]() ![]() |
C.函数![]() ![]() |
D.若满足不等式![]() ![]() ![]() ![]() |
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解题方法
6 .
表示
两个数中较小者,已知
,若对任意实数
,记
.若
的图像与
轴至少有3个交点,则实数
的取值可以为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bcf98ae4aff5b41b9356ee67ad9f562.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b96c0c27df1460ae378771865c7a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.11 | B.10 | C.9 | D.8 |
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7 . 已知函数
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7e3bceba6eb05160311b0e731763a55.png)
A.![]() |
B.若![]() ![]() ![]() ![]() ![]() |
C.若方程![]() ![]() ![]() ![]() |
D.若方程![]() ![]() ![]() ![]() |
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8 . 抛物线
(a,b,c是常数,
)经过
,
,
三点,且
.下面正确的结论有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f75807858b7804a1ad2039c41f323a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c832f2474efe89961ef41e884da7660c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b67c623950b5795d5fb4daeb8102a8df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ae3a88c614758672f5d2f2149236476.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
A.![]() |
B.![]() |
C.当![]() ![]() ![]() |
D.若关于x的一元二次方程![]() ![]() |
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9 . 等轴双曲线
的焦点
,圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3ed0f3656c9f846196757f99665536d.png)
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55537f9072173e0aabb27f785427e197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3ed0f3656c9f846196757f99665536d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caa7b46b46462b364265c8077a428d0c.png)
A.对于任意![]() ![]() ![]() ![]() |
B.对于任意![]() ![]() ![]() ![]() |
C.存在![]() ![]() ![]() ![]() |
D.存在![]() ![]() ![]() ![]() |
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解题方法
10 . 已知
是函数
的零点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760737dff8d5a65968edef05d83537a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90da8172009e7d2e9c4a2733e8992f8.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次