(9) Use three conditions of continuity to show that f (x) = 3 x-4 is continuous in the domain (4, 00) (10) Sketch the graph of a typical function with the conditions specified below. lim f(x) = -2. lim f (x) = -co lim f (x) = 0o lim f (x) = +3. X- -00 x-0- x-0+ X-00 lim f (x) = 5. lim f (x) = 4 f (4) =0 f(0) =3 x-4 x-4+