For which pair of functions is f(g(x)) = g(f(x)) true?
○ f(x)=
9(2):
=
38
I
3
Of(x)=√+1
g(x) = (x − 1)³
O f(x)=3x-1
g(x) =
I
+1
3
O f(x)=√√+1
g(x) = x²-1