3. Communication Question. (Pick ONLY 2 questions to answer). a) Consider the function f(x) = . Suppose f(x) represents the height of a rocket taking off in terms of time. How would you need to restrict the domain or range of f(x)? Is the inverse of the restricted f(x), a function? Explain. [1.5 C] 10 - b) Explain three things that make this graph discontinuous and be specific [1.5 C]. c) Show that there exists a unique function whose domain is { x e R} 2 3 6 7 8 9 10 and which is both even and odd. Find the function and justify your answer. [1.5 C]