已知二次函数
满足
,且
(1)
.
(1)求
的解析式;
(2)设
,求
在
,
上的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b42d3c72332dcb850420b3f1dbeb9e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0204f76cda5ea4ced714588be1efeaa.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dee11d0c33f211e02affa9947bce3d5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ac68a11414c748e67de9f475152bd6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d141db3e7187a57e67798d8844073d56.png)
更新时间:2020-11-12 22:52:13
|
相似题推荐
解答题-证明题
|
适中
(0.65)
解题方法
【推荐1】已知
(
,
为常数,
)满足
,且
有唯一解.
(1)求
的解析式;
(2)如果数列
,且
(
,
),求证:数列
为等差数列.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ffddac685bc1056fd8f0bc616dd0cd.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/de648cd39338d48f2d22eb82a77b4839.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4ed4485745f1d259a3953c242b9cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a18ca67c2770b98f36dbfd802595a95.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)如果数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002bb9eeed7b4c370b14ae46cd52e72d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffcc4a0c64e09ded6e82018b685a2408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4ba01dc98807e4c51ee36095cef7ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d726666f99a5a41dd673a2330e377b17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f8c4e50533116573dd8838ec5cffda9.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐2】根据下列条件,求函数
的解析式;
(1)已知
是一次函数,且满足
;
(2)已知函数
为二次函数,且
,求
的解析式;
(3)已知
;
(4)已知等式
对一切实数
、
都成立,且
;
(5)知函数
满足条件
对任意不为零的实数
恒成立;
(6)已知
,求
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b54b32b555eaa6c51cac4bc26c209c.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce15f69c3142227a84c497b52514361e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ebb3a8f6c0e8501792b119b18ca3b6d.png)
(4)已知等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2a9a9a00cad764de928d7e65f70549a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa9bdc02ed3ecfbb9f65d02c850e3d38.png)
(5)知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e398cf8374ea318a804d5053930b53b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(6)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e6a8978202919112f6e38c16331d706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
名校
【推荐1】已知一次函数
与二次函数
满足
,且
.
(1)求证:函数
与
的图像有两个不同的交点
、
;
(2)设
、
是
、
两点在
轴上的射影,求线段
长度的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e640914713258eb5c63456bd4da61378.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56cb2da1c4703039336c295d22f67205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e03eb3d071b61683b31f7e309fdf4b32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc88307a35c3b2594ef2ca8cc69f45f5.png)
(1)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2f8368f7daaae96338581b7ad1e5d13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae905f856b26183ebe83225350df5a9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9721059d158853671eaf19e39769b13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0758f3ff9f1f7109024c1ef65536c58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760ad64e1f3e9fe178e69897076db07e.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐2】已知函数
.
(1)若函数
的值域是
,求实数
的值;
(2)若
,
恒成立,求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ae07c75d5b10c6390b1f155a9f33143.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2ef3c093066c92180ae9d10cc0ec014.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】已知函数
,
.
(1)判断该函数的奇偶性,并指出它的单调增区间;
(2)该函数是否存在反函数?若存在,求出它的反函数;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c48dedd7a406b39525d786bd2ec55c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5850426712b921e7c18b9a9a43712cc0.png)
(1)判断该函数的奇偶性,并指出它的单调增区间;
(2)该函数是否存在反函数?若存在,求出它的反函数;若不存在,请说明理由.
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】已知函数
.
(1)当
时,求此函数在R上的最大值,并写出取最大值时相应自变量的值;
(2)写出此函数的单调增区间(不需要证明);
(3)设函数
的图象与x轴交于不同的两点A、B,与y轴交于点C,是否存在实数a,使得
的面积为
?若存在,求出a的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2422b7e0e0e4e1bec7c67f6ea58137.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
(2)写出此函数的单调增区间(不需要证明);
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
您最近一年使用:0次