已知函数
,则下列选项中正确的是___________ .
①若
,且
,则
;
②若函数
在
上恰有4个零点,则
的取值范围是
;
③存在
,使得函数
的图像向右平移
个单位长度后得到的图像关于y轴对称;
④若
在区间
上单调递增,则
的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/371f72cc89cac174d6170ae078f864ee.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee4b8f430bc9c87dd4633b8aff127532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89ede0bf435c65eea21237484db6e1bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c05a467ddaa138590b3b56615c2c42a5.png)
②若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1613d377a07850c72cbec354b7a3000f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa42a91dab9659ab8eaa533a04d5e962.png)
③存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d146b35aafbdf1191e16672217cea74d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38fee19fef930b81f2605c4642b6211c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53f59a84526646f8d6f5fccb3796f654.png)
更新时间:2022-03-28 17:27:03
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