函数
,则
的值为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d03bbc7cb28019812fc0fdbcf027c5a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4817824e5862e41561a2a2d8decfb33a.png)
A.![]() | B.![]() | C.2 | D.4 |
更新时间:2023-09-11 16:01:17
|
【知识点】 函数
相似题推荐
单选题
|
较易
(0.85)
名校
【推荐1】已知一次函数
的图象经过一、三、四象限,则一次函数
的图象大致是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89c1972246a0a3d1c987d25205dbdd99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad4cd95ba1e7ad97c3262208f010698.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】已知二次函数
的图象如图所示,有下列5个结论:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/15/2eb4c5b7-d0be-4e2f-a2a3-ff1a36a5d040.png?resizew=177)
;
;
;
;
(
的实数).其中正确的结论有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8352b2e643a7ce605334f1b0e572bfb0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/15/2eb4c5b7-d0be-4e2f-a2a3-ff1a36a5d040.png?resizew=177)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/238b0bdd3afab8fce6e40c7da1548936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26db9b94e117a4ad45a353fb016be3f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbeeb6f0836b636ed4f6e7959ac4733e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b8d96906beb5bbf781bd9190e86d50b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9a131e4d655d468716943588329600e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/060e7930731eddbcfac592b808e9b698.png)
A.2个 | B.3个 | C.4个 | D.5个 |
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