名校
解题方法
1 . 已知函数
是定义在R的奇函数,当
时,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/f45c0d1a-cb19-4ff5-a946-235bca846105.png?resizew=243)
(1)请画出函数
图像并求
的解析式;
(2)
,对
,用
表示
,
中的最大者,记为
,写出函数
的解析式(不需要写解答过程),并求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/119e06d01d35c30f2166624271535bff.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/f45c0d1a-cb19-4ff5-a946-235bca846105.png?resizew=243)
(1)请画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74912a4bdbd89fb1d0b9fd10a1bc87b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a976d91358362fa49d6da8021fd47e2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c694cf892ee07daa54bdd9f2fb421e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316f701027f4bd38abca039b3499b498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c694cf892ee07daa54bdd9f2fb421e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c694cf892ee07daa54bdd9f2fb421e2.png)
您最近一年使用:0次
24-25高一上·全国·课后作业
2 . 画出当
时,
的求解思路.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5f28031b036e4a37be931d5ff28368.png)
您最近一年使用:0次
名校
3 . 已知
表示实数
,
,
中最大的数,例如
,若函数
.
(1)写出函数
的解析式,画出它的图象;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/749c45521309ed059607c75ee9b4bc26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f12aab48f42013368c3980c0566af221.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2333a55053e82622a94a9ba113308bf9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/4/de7d72a5-2d07-40b7-be42-b74f74cea4c8.png?resizew=164)
(1)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94cc25a7cf28ed096549fbae97fce40a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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4 . 画出下列函数的图象,并分别确定使
的实数x的取值范围:
(1)
;
(2)
;
(3)
;
(4)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f19f38dde02c79ced528a94826b4072.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81d71edb9d332f150215443b79e40831.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/688211ed30ce54c12efcfd8df0cf7706.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c075299c92df872b42f62746f2e77d9b.png)
您最近一年使用:0次
2023-10-07更新
|
86次组卷
|
3卷引用:北师大版(2019)必修第一册课本习题第一章4.2 一元二次不等式及其解法
名校
5 . 已知
,
,令
,
(1)画出函数
的图象,并写出
单调递减区间.
(2)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd8ed92f58d44ee590c425bc741195c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5466c28592d45ca35059382b351d583f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c427a8e1cde244ac62e97d7b4f1d4597.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/18/0096d211-8efd-4dcb-b354-3da4ac6bf0a7.png?resizew=195)
(1)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b426608a06477f57cb994f4d00e4465d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b426608a06477f57cb994f4d00e4465d.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bbd37c202ae873a49ffc5398680c62a.png)
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名校
解题方法
6 . 已知二次函数的图像经过点
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0babd7f360a017f68e717fcc7ad8b5b1.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a57458464618fcf619375a93d3c66d69.png)
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2023-08-08更新
|
306次组卷
|
2卷引用:云南省昆明市安宁市昆钢第一中学2022-2023学年高一上学期9月月考数学试题
解题方法
7 . 已知二次函数
图像的对称轴为
,且经过点
.
(1)求函数
的解析式,并在坐标系中画出其图象.
(2)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58d88bbd34102b55fa928e8ff83f0d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88c3a2f5b0702ea9fbb9dc8904579737.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/17/744295f9-c214-41ad-a229-3a382e9d3667.png?resizew=165)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65038b5bc9e79210a89cbdc000f5a98e.png)
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2023-10-17更新
|
284次组卷
|
2卷引用:安徽省县中联盟2023-2024学年高一上学期10月联考数学试题
8 . 已知二次函数
是R上的偶函数,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/583092e098262aa554e227d8a5351c15.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/18/5b7e798e-ad9d-4373-8864-329e7173f785.png?resizew=242)
(1)求
的解析式,画出函数
的图像并写出它的单调区间,不需证明;
(2)当
时,解关于x的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/583092e098262aa554e227d8a5351c15.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/18/5b7e798e-ad9d-4373-8864-329e7173f785.png?resizew=242)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6e28dbfcdd6fb66b9ff759be044287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca7dc3843724c7dfd0b503ad04e078da.png)
您最近一年使用:0次
名校
解题方法
9 . 已知函数
.
(1)画出函数
的图象并写出它的值域;
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/1/a2b202b4-a7e8-47ea-bbb9-58ced729c767.png?resizew=179)
(2)若
,求x的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8266cf782ff51b135f71ed8255fc126.png)
(1)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/1/a2b202b4-a7e8-47ea-bbb9-58ced729c767.png?resizew=179)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a93edb0813b6828531c0af99926c7fb.png)
您最近一年使用:0次
2022-11-29更新
|
354次组卷
|
2卷引用:山西省高中教育发展联盟2022-2023学年高一上学期11月期中检测数学试题
解题方法
10 . 已知函数
的解析式为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e199ee7dfd97d0fbab536aa06aa8dc2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/93c34796-ec91-4fe3-a0d1-baa060d54d46.png?resizew=214)
(1)求
,
的值;
(2)画出这个函数的图象,并写出
的最大值;
(3)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e199ee7dfd97d0fbab536aa06aa8dc2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/93c34796-ec91-4fe3-a0d1-baa060d54d46.png?resizew=214)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce6155e181e21ce56ea658b70f8af17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2fb17436d1ab0e44408d1f460356df3.png)
(2)画出这个函数的图象,并写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/940adbf54e96ecb2bb2637e5f976a3b0.png)
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