Consider the following. Functions Point f(x)=x-4 (5, 1) F-1(x) = x+4, x20 (1,5) (a) Find the domains of f and f-1. (Enter your answer using interval notation.) Domain of f Domain of f-1 (b) Find the ranges of f and f-1. (Enter your answer using interval notation.) Range of f Range of f-1 (c) Graph fand f-1, (d) Show that the slopes of the graphs of fand -1 are reciprocals at the given points. f'(5) = (-1)'(1) =