Q5]. .. [15 points] Answer the following questions for the graph given below and explain your answer. a) Find lim f(x) =? x-4-4+ b) Find lim f(x) =? x-+-4- c) Find lim f(x) =? I-+ d) At which point(s) f(x) has no limit and why? e) At which point(s) f(x) is not continuous and why? f) At which point(s) f(x) is not differentiable and why