高中数学代数与函数一其他练习题90
题目内容

设函数f(x)=http://picflow.koolearn.com/upload/papers/g02/20111124/20111124115732390943.gifx3+http://picflow.koolearn.com/upload/papers/g02/20111124/201111241157324061002.gifx2+tanθ,其中θ∈http://picflow.koolearn.com/upload/papers/g02/20111124/20111124115732421986.gif,则导数f′(1)的取值范围是

2021-07-16

A.[-2,2]

B.http://picflow.koolearn.com/upload/papers/g02/20111124/20111124115732437978.gif

C.http://picflow.koolearn.com/upload/papers/g02/20111124/20111124115732468946.gif

D.http://picflow.koolearn.com/upload/papers/g02/20111124/20111124115732484946.gif

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