1 . 函数
的图象向右平移
(其中
)个单位得到曲线
,若
在
处的切线方程是
,则曲线
的一条对称轴方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14a7adda5ecdb6245e9229bc047e7ca3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb61a448347a3f8c1f126d1c00730cc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2f4a9558e7322268b0cac11c9d9739.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2 . 已知下列命题:
①函数
的单调增区间是
.
②要得到函数
的图象,需把函数
的图象上所有点向左平行移动
个单位长度.
③已知函数
,当
时,函数
的最小值为
.
④已知角
、
、
是锐角
的三个内角,则点
在第四象限.
其中正确命题的序号是_____________ .
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c99aac52fb36e39629166cb002e247bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91c41281c640df1d3cf62fd1c4205daf.png)
②要得到函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4deaac6b6a9e2f0d71bc09e191999ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
③已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cab9f23137d179abffff9189578ff0e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf8eca68c4c7478f412183aa275fc7dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b0ee1a5b897f98c7cef8f90bcf07067.png)
④已知角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63eb26e976b64016de279c68beee71d5.png)
其中正确命题的序号是
您最近一年使用:0次