2. Check that functions are inverses algebraically by showing that fof-(x) = x, For all x ED(f-) f- o f(x) = x, For all x D(f) for S viave olmab visuo (a) f(x)=x-4 f-(x) = x +4 (b) f(x) = x -2 (c) f(x)=x - 2 (d) f(x) = x+2 x + 1 (e) f(x) x-5 = 000 f(x) = (x + 2) f(x) = x +2 f(x) = x 2 note: D(f) = [0, ) 52+1 f-(x) = WA [000 any x-1 khato quib ARV on dotoromines that the cost per person of chartering a bus is give