挑战习题
1/3单选题
难度:

1.设函数在R上可导,其导函数为,且函数的图像如图所示,则下列结论中一定成立的是()

A 函数有极大值和极小值
B 函数有极大值和极小值
C 函数有极大值和极小值
D 函数有极大值和极小值
提示1:
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
提示2:
IOWHveaVsGbvvIh477yJ5pyJ5p6B5aSn5YC8Zu+8iC0y77yJLiDlj4jlvZMtMu+8nHjvvJwy5pe277yMPGltZyB3aWR0aD01OCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC9EMC9FOS9yQkFDRTFOSHZ1WFRHR2ZTQUFBQjNSS1hYMW8yNjMucG5nIj7vvIzlvZN477yeMuaXtu+8jDxpbWcgd2lkdGg9NTggaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRDAvRTkvckJBQ0UxTkh2dVdTeXhDV0FBQUIxMHV1X0pBMDQ2LnBuZyI+77yM5pWF5Ye95pWwZu+8iHjvvInmnInmnoHlsI/lgLxm77yIMu+8iQ==
正确答案:Qg==
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