If f(x) is the inverse of f(x), which statements must be true?
check all that apply.
a. the domain of f'(x) is the range of f(x).
b. the range of f'(x) is the range of f(x),
c. the domain of f1(x) is the domain of f(x).
d. f(f(x)) = x
o e. the range of f'(x) is the domain of f(x).