已知函数
的部分图象如图所示,A,B分别为
的图象与y轴,x轴的交点,C为
图象的最低点,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/fa54ccf0-2501-4983-a86d-be45d7cc6b1b.png?resizew=135)
(1)求
的解析式;
(2)若函数
,讨论
在
上的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/748a1d7af2132f99a8c01c78f8cc7b46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852926090e0be00f0ab246ff9305d727.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/fa54ccf0-2501-4983-a86d-be45d7cc6b1b.png?resizew=135)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d8f1b52cb9acfbb22c7e0a713f96d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e286bee7ccae7ad103b90a9d25e77179.png)
更新时间:2023-02-18 18:56:03
|
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】已知函数
.
(1)求函数
的最小正周期,并求
的单调递减区间;
(2)将函数
的图象向右平移
个单位长度,再把横坐标缩小为原来的
(纵坐标不变),得到函数
的图象,当
时,求函数
的值域;
(3)对于第(2)问中的函数
,记方程
在
上的根从小到大依次为
,试确定n的值,并求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30d2d359d6d3cf9b5c3b1b7a7d8afc77.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061b36d616b2e0dcfd3bf193864abb6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(3)对于第(2)问中的函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56c40363783d0e33e6a40e68957391ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00c13095bd23d0ef686b543a9d9cbd71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ae7762f2129fc2edaad856996836aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf143ca6acd9bafcce6716f4e6f2d9a3.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】函数
的部分图象如图,
是图象的一个最低点,图象与
轴的一个交点坐标为
,与
轴的交点坐标为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/1/efe3d6c8-db25-4f5d-a9b8-b72cd03d0f93.png?resizew=240)
(1)求
,
,
的值;
(2)关于
的方程
在
上有两个不同的解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45c45f0be3db394dafea125ef9555a47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47c1fad7af7df8e93160cf83788bec5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b08f8b169599e2c8ebe2f3a94afd6e4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/1/efe3d6c8-db25-4f5d-a9b8-b72cd03d0f93.png?resizew=240)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
(2)关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3b4874cf36b6082ba4d539ff3ee69a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aebb9595cfebe608e2b3ec06c10421dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐1】已知函数
的部分图象如图所示.
(1)求函数
的解析式;
(2)将函数
的图象向右平移
个单位,再横坐标伸长为原来的2倍,纵坐标不变,最后将图象向上平移1个单位,得到函数
的图象,求函数
在区间
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2afc3ff03a15347e4b1e270d34825953.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/21/6eb412ea-ac25-45b5-9766-57351d7e6dc5.png?resizew=156)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71163f419555f2ed76075c8ff659fbfc.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】已知函数
的部分图像如图所示,若
,B,C分别为最高点与最低点.
![](https://img.xkw.com/dksih/QBM/2022/5/28/2989281142890496/2991992459689984/STEM/beb7e8e3-83f3-4860-ad94-7c25ecd00ab1.png?resizew=212)
(1)求函数
的解析式;
(2)若函数
在
,上有且仅有三个不同的零点
,
,
,(
),求实数m的取值范围,并求出
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8560d47c053fd9c2aabc6d2c2ec76caa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14656a08d0d122fc426ab73bcb29ebdd.png)
![](https://img.xkw.com/dksih/QBM/2022/5/28/2989281142890496/2991992459689984/STEM/beb7e8e3-83f3-4860-ad94-7c25ecd00ab1.png?resizew=212)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25079f12119793682bee7dcd103d12e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb40e73350a21317063bc783a9c3e1b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c24fc6f54122db20725fb7b80a06a1c.png)
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)求
的单调区间;
(2)判断
的零点的个数,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0a41ab7d138ed6b1ea7d89f97521e39.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐3】已知函数
,且
.
(1)求证:函数
有两个不同的零点;
(2)设
是函数
的两个不同的零点,求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3c6ba34faa704b2960a8ca58032b6b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5bc4ca32cda229340a7fce43f9d0037.png)
(1)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
您最近一年使用:0次