下列命题中,正确命题的个数是( )
①
的反函数是
;
②
,
的反函数是
,
;
③
,
的反函数是
,
;
④已知函数
,若存在
,
,且
,使
成立,则
.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150bf9fb71b03f5df8469a7dc24a01bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0cc2a6f93128135bcd82a02ea50af5d.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dba5139d868ab9e64cc0a7120de5b49d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f4e4eaf924cfbd3044b8243c0fac674.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ee8415ef9596f7e97e65f99b3c53a58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0730bc4b5e64f873519c16fb8f0995eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55b3c183ae41e7f551d08ccc3689e024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3029d23497323c8b231b330f2e1f895f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5055ae014ab797b0fc456f4d2f3898a7.png)
④已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6790fb0f6f5a2e8c2e4654e3598b58e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb622e164a0e0f1b2bba3668e29ad69b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30cfb880e24c1e36db9ef8ef9183a945.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d217c7b12e12e5fb67472452518859ec.png)
A.0个 | B.1个 | C.2个 | D.3个 |
20-21高三上·上海浦东新·期中 查看更多[2]
更新时间:2020-12-01 10:38:53
|
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