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已知函數(shù)f (x)的導(dǎo)數(shù)為且圖象過點(diǎn)(1.2).則函數(shù)f 查看更多

 

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 已知函數(shù)f (x)的導(dǎo)數(shù)為且圖象過點(diǎn)(0,-5),當(dāng)函數(shù)f (x)取得極大值-5時(shí),x的值應(yīng)為              (    )

A.0            B.-1  C.1            D.±1

 

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已知函數(shù)f(x)的導(dǎo)數(shù)為f′(x)=4x3-4x,且圖象過點(diǎn)(2,3),當(dāng)函數(shù)f(x)取得極大值-5時(shí),x的值應(yīng)為(  )

A.-1               B.0                C.1                D.±1

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已知函數(shù)f(x)的導(dǎo)數(shù)為f′(x)=4x3-4x,且f(x)的圖象過點(diǎn)(0,-5),當(dāng)函數(shù)f(x)取得極大值-5時(shí),x=_________.

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已知函數(shù)f(x)的導(dǎo)數(shù)為(x)=4x3-4x,且圖象過點(diǎn)(2,3),當(dāng)函數(shù)f(x)取得極大值-5時(shí),x的值應(yīng)為

[  ]

A.-1

B.0

C.1

D.±1

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已知函數(shù)f(x)的導(dǎo)數(shù)為(x)=4x3-4x,且圖象過點(diǎn)(0,-5),當(dāng)函數(shù)f(x)取得極大值-5時(shí),x的值應(yīng)為

[  ]

A.-1

B.0

C.1

D.±1

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