高中数学代数与函数一函数练习题55
题目内容

下列命题中正确的是 (   )

2021-07-28

A.当http://picflow.koolearn.com/upload/2012-10/10/d6ccc023-f231-4938-b262-0feda2b94b89/paper.files/image019.png

B.当http://picflow.koolearn.com/upload/2012-10/10/d6ccc023-f231-4938-b262-0feda2b94b89/paper.files/image020.pnghttp://picflow.koolearn.com/upload/2012-10/10/d6ccc023-f231-4938-b262-0feda2b94b89/paper.files/image021.png

C.当http://picflow.koolearn.com/upload/2012-10/10/d6ccc023-f231-4938-b262-0feda2b94b89/paper.files/image022.pnghttp://picflow.koolearn.com/upload/2012-10/10/d6ccc023-f231-4938-b262-0feda2b94b89/paper.files/image023.png的最小值为http://picflow.koolearn.com/upload/2012-10/10/d6ccc023-f231-4938-b262-0feda2b94b89/paper.files/image024.png

D.当http://picflow.koolearn.com/upload/2012-10/10/d6ccc023-f231-4938-b262-0feda2b94b89/paper.files/image025.png无最大值

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