1 . 在直角坐标系xOy上有两点
、
,给定三个条件:①
,②
,③
.请从上述三个条件中选出两个分别填在下列空白处(只填代号),使其构成一个真命题:当且仅当___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3539590ba3e226d4d6480f8460a6247d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f12e628b7b0bd5c387c4c46cef47c17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1f52965de7291b547f4c325d3626bd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dc261508f42e75323971f0b8282b0ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8e8c4db99a1f1ef1032002a070d65a0.png)
您最近一年使用:0次
2 . 已知函数
,其中![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61228bf9a9e5bfa26e7e3eaeb48cf909.png)
.
(1)若函数
的图象过点
、
,求函数
的解析式;
(2)如图,点M、N是函数
的图象在
轴两侧与
轴的两个相邻交点,函数图象上一点
满足
,求函数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/064b3e9a9a7551f282b530877228cb8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61228bf9a9e5bfa26e7e3eaeb48cf909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b61df454f1485f9d448402586945b868.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/023c93917c96d00ea4ba399fa441a685.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51b97fc3360cdfc250e7eb1bf24bcb64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)如图,点M、N是函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.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/9efe6112e30f859a68339fb6793bded8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc6aa5d475a3da2ee13c1a407bc6e0b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次