摘要:解:设f(x)=x2+ax+1.则对称轴为x=
网址:http://m.1010jiajiao.com/timu_id_566951[举报]
(文)设f(x)=x5-5x4+10x3-10x2+5x+1,则f(x)的反函数f-1(x)为( )
A、f-1(x)=1+
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B、f-1(x)=1+
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C、f-1(x)=-1+
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D、f-1(x)=1-
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网址:http://m.1010jiajiao.com/timu_id_566951[举报]
A、f-1(x)=1+
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B、f-1(x)=1+
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C、f-1(x)=-1+
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D、f-1(x)=1-
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