名校
1 . 已知函数
是定义在R上的偶函数,且当
时,
.现已画出函数
在y轴左侧的图象,如图所示,请根据图象.
![](https://img.xkw.com/dksih/QBM/2023/12/20/3393428483121152/3393837769695232/STEM/c0fc63e386d9417f96d42a3b1906008d.png?resizew=117)
(1)补全函数
的图象并写出函数
的解析式;
(2)若函数
,求函数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5397ee1eb6d157f6ec1e7a878f8d16e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://img.xkw.com/dksih/QBM/2023/12/20/3393428483121152/3393837769695232/STEM/c0fc63e386d9417f96d42a3b1906008d.png?resizew=117)
(1)补全函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9dbb70efb53fdd394d7eb8f7720629c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9dbb70efb53fdd394d7eb8f7720629c.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cef35bf8068d83519f3e7696dc65e02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
您最近一年使用:0次
2 . 已知函数
是定义在
上的偶函数,且当
时,
.现已画出函数
在y轴左侧的图象,如图所示,请根据图象完成下列各小题.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/eb82224c-c6d1-468a-8640-832e1436615f.png?resizew=197)
(1)补全函数图象;
(2)写出函数
的解析式;
(3)若函数
,求函数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5397ee1eb6d157f6ec1e7a878f8d16e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/eb82224c-c6d1-468a-8640-832e1436615f.png?resizew=197)
(1)补全函数图象;
(2)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/803b2de32177f5ebb64b38115356f388.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cef35bf8068d83519f3e7696dc65e02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
您最近一年使用:0次
3 . 已知函数
是定义在R上的偶函数,且当
时,
.
![](https://img.xkw.com/dksih/QBM/2021/11/5/2844612006969344/2848266828890112/STEM/dfaa6fb4-5ee7-4da0-b23a-1d412e5f0ad7.png?resizew=250)
(1)现已画出函数
在y轴左侧的图像,请补全函数
的图像,并根据图像写出函数
的单调递增区间;
(2)写出函数
的值域;
(3)求出函数
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb6646ee1281b3b22e6a6ded9da1f9b3.png)
![](https://img.xkw.com/dksih/QBM/2021/11/5/2844612006969344/2848266828890112/STEM/dfaa6fb4-5ee7-4da0-b23a-1d412e5f0ad7.png?resizew=250)
(1)现已画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb7f04a0d543ab3f626b6fff5d2305f7.png)
(2)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb7f04a0d543ab3f626b6fff5d2305f7.png)
(3)求出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb7f04a0d543ab3f626b6fff5d2305f7.png)
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4 . 已知函数
是定义在R上的奇函数,且当
时,
.现已画出函数
在y轴左侧的图像,如图所示,请根据图像:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/4/702ca275-3b7e-4007-a71d-1cbcc921780a.png?resizew=230)
(1)补全图像;
(2)写出函数
的解析式;
(3)若函数
,求函数
的最小值和最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/becd598a11b876d858728161a7a09705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/4/702ca275-3b7e-4007-a71d-1cbcc921780a.png?resizew=230)
(1)补全图像;
(2)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/803b2de32177f5ebb64b38115356f388.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bead9bddbde0e03d672179c6f0ac3078.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
名校
5 . 请同学们补全下面两个关于x的不等式的解答过程.
(1)
;
解:令
,
令
,计算
,
当
时,即
时,方程
不存在实根;
画
草图,
不等式的解集为______.
当
时,即______时,方程
的两根为______.
画
草图,
不等式的解集为______.
当
时,即______时,方程
的两根为______.
画
草图,
不等式的解集为______.
(2)
.
解:令
(*),
则方程(*)的三个根从小到大排列分别为
______;
______;
______.
把三个根分别标在x轴上,并完成表格,
请根据表格写出不等式
的解集.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/458cbcd84273373e0a0bdab32ad42bad.png)
解:令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4317c59a6012372bc027d7badec24f.png)
令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06295591972865ce5a2fafb1427aa707.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c70eef4e278303db019587ee2cc20f.png)
当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc39e3f9688bc77675ffdf0dd79da142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6232dc74b15e4acb0ac3482a1cbe6a52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06295591972865ce5a2fafb1427aa707.png)
画
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925d9d720033e5e20561eb5f0722ecef.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/6/b7500d30-d563-4620-8611-50152041ac5f.png?resizew=165)
不等式的解集为______.
当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c2b0eb6b8e515c616b5cdd4c37fefc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06295591972865ce5a2fafb1427aa707.png)
画
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925d9d720033e5e20561eb5f0722ecef.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/6/f7cb6ca2-bf56-448e-896a-91b0659d6ed3.png?resizew=164)
不等式的解集为______.
当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dda1e6337ff7355c2fe9c19f9d619f5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06295591972865ce5a2fafb1427aa707.png)
画
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925d9d720033e5e20561eb5f0722ecef.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/6/3bdfb626-c867-473d-bcff-8423f5c61714.png?resizew=166)
不等式的解集为______.
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fef1d654789c54f96acda1437cffb865.png)
解:令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d8fa5322900d260782795939a4085c3.png)
则方程(*)的三个根从小到大排列分别为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e92f14fb20f920f88dcad2ccd1d53f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15dad5a12f34bed0da0de93beae0eaa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e7ad31dd3397f7d2830182a8d309289.png)
把三个根分别标在x轴上,并完成表格,
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/6/9af896b0-08b8-4ac2-980e-9da2035e8cbd.png?resizew=271)
x的取值范围 | ||||
|
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fef1d654789c54f96acda1437cffb865.png)
您最近一年使用:0次
名校
解题方法
6 . 已知函数
,________.
在①
的最小值为-1;②函数
存在唯一零点,这2个条件中选择1个条件填写在横线上,并完成下列问题.
(1)求实数a的值;
(2)求函数
在
上的值域.
注:如选择多个条件分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f61f849a72c8c3aa3d222f92725ff6d.png)
在①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a215072a06d124b82e3aae30a5e34fb5.png)
(1)求实数a的值;
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f329d65fc045d7d3bc6c94ab28f4f95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad2601e8f522d08bad39d7bd166408ec.png)
注:如选择多个条件分别解答,按第一个解答计分.
您最近一年使用:0次
名校
7 . 定义
为函数
的特征数,下面给出特征数为
的函数的一些结论:①当
时,函数图象的顶点坐标是
;②当
时,函数图象截
轴所得的线段长度大于
;③当
时,函数在
时,
随
的增大而减小;④当
时,函数图象必经过两定点. 其中正确的结论有_________________ (填写序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d5c14d63e6ef994ff6a802cb4426050.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83f2638d71e5d00c241c6704b32094d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c3342e3a1be36dcb603f7f55df55a59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eeae3d0886ea80770248bf577737c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c740339cbf0250d3ced8e2ea7bcb9c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8aa5c24766744e194574d31ca534c18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/103070abee09399f1e9510a75c3ba9e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c7349847272c8628ff6e91dea33528d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/477fc7759dc2d0ac58a73ba125d8bc7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcba35b945865f4c52987ed739396acc.png)
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名校
解题方法
8 . 函数
(
为常数)有下列结论:
无论
为何值,该函数都经过定点
;
若
,则当
时,
随
增大而减小;
该函数图象关于
轴对称;
若该函数图象与
轴有
个交点,则
.其中正确的结论是______ (填写序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d5127c7e8124ea12706a0e00b7e01b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1c9ae241fd78126274c65e17990c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a3afc9fdb61b847e5cc12b57861ccaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c650fe55b7603f106c53ca2423451c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f06408895febc126c2ae409e807349c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ccaa6e503b61e9ae78d8439cba2e328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82e415812cca9545611c0faa0c01b1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d8b8edd94bc4d5d517ec77e56800e41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3828868765caa2ebed51aca7dc594993.png)
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9 . 函数
在区间
上的单调性是______ .(填写“单调递增”或“单调递减”)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b13989845b4476997ec735fc8ea4524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
您最近一年使用:0次
2022-03-13更新
|
791次组卷
|
2卷引用:天津市河北区2021-2022学年高一上学期期末数学试题
名校
解题方法
10 . 已知集合A,B中的p同为下列三种情况之一,
①x; ②y; ③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0203b006524305c3d8ee0b6c34cd872b.png)
请从中选择一种情形填写到下列横线上(只填写序号),并完成作答:
已知集合出
,
,
,其中p为________.
(1)求集合C;
(2)求
.
①x; ②y; ③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0203b006524305c3d8ee0b6c34cd872b.png)
请从中选择一种情形填写到下列横线上(只填写序号),并完成作答:
已知集合出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d16d4946a1eff71a0d825066abbcdf44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7471d000e3667000c63203ffaaeaa13c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f92ba18438c806316deb73fcff7b2f91.png)
(1)求集合C;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
您最近一年使用:0次
2021-12-01更新
|
142次组卷
|
2卷引用:江苏省南京市东山高级中学2021-2022学年高一上学期期中数学试题