名校
1 . 已知函数
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/99423d3d-6fc9-4f5a-aac4-042dff736f31.png?resizew=258)
(1)当
时,求
的值域;
(2)用五点法在下图中画出
在闭区间
上的简图.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2abce26afe3416cfdbe9db8741e581b4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/99423d3d-6fc9-4f5a-aac4-042dff736f31.png?resizew=258)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e32a34b3381654b4e3a7e0324b896b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
(2)用五点法在下图中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3897bf276a0b6c2121917d39b369df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f37d173f8e63f94c895639bb498310a.png)
您最近一年使用:0次
2020-02-28更新
|
200次组卷
|
2卷引用:云南省丽江市2019-2020学年高一下学期期末数学试题
2 . 向量
,
,
,函数
.
(1)求
的表达式,并在直角坐标中画出函数
在区间
上的草图;
(2)若方程
在
上有两个根
、
,求
的取值范围及
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc44609ace65b299027e5d7b4adbf5df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb87444765ed1107b9b8c6497ce2d069.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc1525aee9019a25cf71dc6054ec1ce.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a92a4af4c8e0f00f002e854b6f484c48.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e31bc0c34811edba74dae3fcaed8f577.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a92a4af4c8e0f00f002e854b6f484c48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
您最近一年使用:0次