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已知函数 http://picflow.koolearn.com/upload/papers/20140824/20140824052855527995.png有极大值和极小值,则 http://picflow.koolearn.com/upload/papers/20140824/20140824052855542278.png的取值范围为(  )

发布时间:2021-07-16

A.-1http://picflow.koolearn.com/upload/papers/20140824/20140824052855558224.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824052855542278.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824052855558224.png2

B.-3http://picflow.koolearn.com/upload/papers/20140824/20140824052855558224.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824052855542278.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824052855558224.png6

C.http://picflow.koolearn.com/upload/papers/20140824/20140824052855542278.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824052855558224.png-1或http://picflow.koolearn.com/upload/papers/20140824/20140824052855542278.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824052855698215.png2

D.http://picflow.koolearn.com/upload/papers/20140824/20140824052855542278.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824052855558224.png-3或http://picflow.koolearn.com/upload/papers/20140824/20140824052855542278.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824052855698215.png6

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