下列函数的图形与y=2^x-1的图形关于y=x对称的是?A.Y=log2(x+1) B.y=1+log2(x)
人气:177 ℃ 时间:2019-08-04 00:45:52
解答
就是求反函数,将x与y对调
y=2^x-1,y+1=2^x,log2(y+1)=x,所以y=2^x-1的图形关于y=x对称的是y=log2(x+1)
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