函数f(x)=(x-1)/(x+1)的反函数是()．
A、f-1(x)=(x-1)/(x+1)
B、f-1(x)=(1-x)/(1+x)
C、f-1(x)=(x+1)/(x-1)
D、f-1(x)=(1+x)/(1-x)
【正确答案】：D
【题目解析】：设y=f(x)=(x-1)/(x+1)，则x=(1+y)/(1-y)，所以f-1(x)=(1+x)/(1-x)．
函数f(x)=(x-1)/(x+1)的反函数是()．
- 2024-11-07 09:15:25
- 高等数学（经管类）(13125)