f(x)=的零點(diǎn)個(gè)數(shù)為 A.1 B.2 C.3 D.0 答案?A 查看更多

 

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函數(shù)f(x)=x2x的零點(diǎn)個(gè)數(shù)為(    )

A.0                      B.1                  C.2                    D.3

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函數(shù)f(x)的圖象如圖所示,則函數(shù)f(x)的變號(hào)零點(diǎn)的個(gè)數(shù)為(  )

A.0              B.1

C.2                        D.3

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函數(shù)f(x)=的零點(diǎn)個(gè)數(shù)為(  )

A.0            B.1

C.2            D.3

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函數(shù)f(x)=的零點(diǎn)個(gè)數(shù)為                      (  )

A.0                            B.1

C.2                            D.3

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函數(shù)f(x)=的零點(diǎn)個(gè)數(shù)為                             (  )

A.0                               B.1

C.2                               D.3

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