4. (10 marks) Consider the function 9(3) = 111(2: 1) + egg3 + (2:2 4)5'l3. (a) Find the domain of g. (b) Find 9"(22). (c) Can your answers to the previous part(s) show that g is invertible? Explain briefly. (cl) Find g'1(e). e Find the derivative of '1 at a: = e, i.e. find '1 ' e . g 9