高中数学代数与函数一函数练习题25
题目内容

求函数 http://picflow.koolearn.com/upload/2009-12/23/1cd751c0-1427-40ed-962e-f4a2a381f10c/paper.files/image029.gif零点的个数为 (   )  

2021-07-24

A.http://picflow.koolearn.com/upload/2009-12/23/1cd751c0-1427-40ed-962e-f4a2a381f10c/paper.files/image004.gif

B.http://picflow.koolearn.com/upload/2009-12/23/1cd751c0-1427-40ed-962e-f4a2a381f10c/paper.files/image005.gif

C.http://picflow.koolearn.com/upload/2009-12/23/1cd751c0-1427-40ed-962e-f4a2a381f10c/paper.files/image006.gif

D.http://picflow.koolearn.com/upload/2009-12/23/1cd751c0-1427-40ed-962e-f4a2a381f10c/paper.files/image030.gif

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