11. Let f(x) x-2 x-2 a) Sketch a graph of fusing technology to determine whether fis a one- to-one (1to1) function b) Iff is a one-to-one function, find f' and sketch a graph of f'using technology c) Domain of f: Domain of f (iff is a one-to-one function): Range of f: Range of f' (iff is a one-to-one function):