f(x)=1-x分之1,求f[(fx)] 求解析

2024-11-02 19:30:57
推荐回答(2个)
回答1:

f(x)=(x-1)/x
f[(fx)] =1-1/f(X)=1-x/(x-1)

回答2:

f(x)=1/(1-x)
f[(fx)]=1/[1-f(x)]=1/[1-1/(1-x)]=(x-1)/x