Given that x - 1 x -> 1 lim f(x) = 4 lim g(x) = -4 lim h(x) = 0, x - 1 find each limit, if it exists. (If an answer does not exist, enter DNE.) (a) lim [f(x) + 59(x)] . (b) lim [g(x)13 (c) lim vf(x) x -1 (d) lim 3f ( x ) x-1 g(x) (e) lim g ( x ) x - 1 h(x) (f) lim g(x)h(x) x -1 f ( x )