试题与答案

已知f(x+1)=x2-x-2,则f(x)的解析式是( ) A.f(x)=x2+x

题型:选择题

题目:

已知f(x+1)=x2-x-2,则f(x)的解析式是(  )
A.f(x)=x2+x-3B.f(x)=x2+x+1C.f(x)=x2-3xD.f(x)=x2-3x-2

答案:

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参考答案:C

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