r-6" X-6+ 5 ) Sketch the graph of a function y = f(x) that satisfies each set of conditions. x-5 a) lim f(x) = 0, lim f(x) =4, f(5) = 1 b) lim f(x) = -3, lim f(x) = 2, f(4) =0 [3 marks]