If f(x)=(3x-1)/2 and "f-1" is the inverse of f,what is the value of "f-1(3)"?
问题描述:
If f(x)=(3x-1)/2 and "f-1" is the inverse of f,what is the value of "f-1(3)"?
答
f-1=(2x+1)/3
f-1(3)=7/3