The function g is related to one of the parent functions described in an earlier section. g(x) = x2 4 (a) Identify the parent function f. f(x) = (b) Describe the sequence of transformations from f to g. (Select all that apply.) vertical shift of 4 units downward reflection in the x-axis vertical shrink horizontal shift of 4 units to the left vertical shift of 4 units upward (c) Sketch the graph of g. (d) Use function notation to write g in terms of f. g(x) = f