解题方法
1 . 已知
是定义域为
的奇函数,且
为偶函数,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d7661d3fc28f785b438ad8c8f9d240a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/241553167658572549705dda8cd7c207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a78b069f60ca318595c703dee2366e3d.png)
A.![]() | B.![]() | C.0 | D.3 |
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4卷引用:贵州省2022-2023学年高一上学期期中联合考试数学试题
贵州省2022-2023学年高一上学期期中联合考试数学试题福建省安溪县2022-2023学年高一上学期期中数学试题(已下线)专题2-2 点对称+轴对称+周期+单调性-3(已下线)第二章 函数 专题3 函数的对称性
解题方法
2 . 已知函数
的图象与
轴交于
两点,与
轴交于
点,且
的面积为3.
(1)求
的值;
(2)若
在
上的最大值与最小值之差为
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6362d99d365584f063fa11d248923a0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55503c093ffb545056ba2a313f21b25e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b3ae7e5228fd1acb0d46f6941143a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b3ae7e5228fd1acb0d46f6941143a7.png)
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3 . 已知
,
,
,
.
(1)若
为真命题,求
的取值范围;
(2)若
和
至少有一个为真命题,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/248d3fb187b56abeb0317dee8ae6a010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa8501bf1a3391f3da82fbe2d272cde6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bba9e2d7765b1cce1b2ae5d14e15d96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e66333d38861aaeb7e84316bdf6be23f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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4卷引用:贵州省2022-2023学年高一上学期期中联合考试数学试题
解题方法
4 . 已知
是定义域为R的奇函数,当
时,
.
(1)求
的解析式;
(2)判断
在
上的单调性,并用定义证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a682ddb5a95fdafd8dc508556d94386.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
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5 . 关于
的不等式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea7b38bbaa9eb31894415dd58ad61138.png)
(1)当
求不等式的解集;
(2)解关于
的不等式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea7b38bbaa9eb31894415dd58ad61138.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87676cc3ca413d9ba64fab2cd45c909c.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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解题方法
6 . 函数
是定义在
上的函数,对
,都有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd384d86840b7b158af41f56fe29c7d1.png)
(1)求证:
是奇函数;
(2)若
时,
,求证:函数
在
上单调递增;
(3)在条件(2)下,关于
的不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933093b52cca887f597cbe22a5467b11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e6e2c4b5ca7f58c7c495c4af3bc7a68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd384d86840b7b158af41f56fe29c7d1.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db053b743c6ecbf87eb04fd8041b4c48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a1b1fdcdde97a8c9e9339b2f33c5d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933093b52cca887f597cbe22a5467b11.png)
(3)在条件(2)下,关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d099b832b6af1f0b97aa92a95616ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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7 . 下列命题中是真命题的个数是( )
(1)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdcb7ab16d11a31f469ed93ae7f241f0.png)
(3)若
为真命题,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ede78fd7ac619ea597856254bb5d75.png)
(4)
为真命题,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2cc93465f7cc3ff974a8b90a51a0155.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f900f11e0682037114f9a8488ca549c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdcb7ab16d11a31f469ed93ae7f241f0.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8193772c3985f74d23b37d57905c6ef1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ede78fd7ac619ea597856254bb5d75.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38bc3408db09acb4b44b7196d8f67b46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2cc93465f7cc3ff974a8b90a51a0155.png)
A.1 | B.2 | C.3 | D.4 |
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8 . 已知直线
,圆
(
为圆心),则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e901cea17e81b3d92ea0ce76b4d8f181.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cd6e5a3b33f3240dfe2881b7f8fbfdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.直线![]() ![]() |
B.![]() ![]() ![]() |
C.直线![]() ![]() |
D.当![]() ![]() |
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9 . 在长方体
中,底面
是边长为2的正方形,
分别是
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/3bac2b27-9a61-44b5-a336-9e524061e193.png?resizew=170)
(1)证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
平面
.
(2)求
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2501c41a2761d3e8371a3383fba33fda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc0454f72e6dba8d432c76491aedcce9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/3bac2b27-9a61-44b5-a336-9e524061e193.png?resizew=170)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c52091eb745de866044477641a7c55f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70db40c42655327adee01caedfc9d50c.png)
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解题方法
10 . 已知
,若定义域为R的
满足
为奇函数,且对任意
,
,均有
.则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12b40b1544e62be8b9e9f4dc9f2c0c74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d7661d3fc28f785b438ad8c8f9d240a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1e70db4fa015a8b4fb6da18c6959ac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b6fbd08afa059e0fd6196f6a5b8c31.png)
A.![]() ![]() |
B.![]() |
C.![]() |
D.关于x的不等式![]() ![]() |
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