1 . 已知函数
的图象的相邻两条对称轴之间的距离为
.
(1)求函数
的单调减区间;
(2)当
时,求函数
的最大值和最小值,并指出此时的
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba111f8645c0a71a168449781029b12d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2de12bbd5097debc83d6a46364589748.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7028a5fa4d781d382ca3b73b74796e.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e110a5c990e7147b026539eb48a837a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7028a5fa4d781d382ca3b73b74796e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
名校
2 . 已知函数
.
⑴求函数
的最小正周期和单调递减区间;
⑵当函数
的定义域是
时,求其值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ea0fe1d07b0e7901db2737308ed4099.png)
⑴求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
⑵当函数
![](https://img.xkw.com/dksih/QBM/2018/9/17/2034224335986688/2048654923153408/STEM/ceae88be2d5b42f8b96876489a71913a.png?resizew=36)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce0a19d0eb878ea6c492df2b96e5326d.png)
您最近一年使用:0次
名校
3 . 已知向量
,
,函数
.
(1)若
,求
的集合;
(2)若
,求
的单调区间及最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97fcbada987fd8b134003ff3b994b0f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d16d707534c0414971f8983eae617d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f610065a3481a083852e985bcf49e858.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3047d4ab078dafc06c047bcbf0a6ffaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/778662c16848db470c6537705b8a839c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次