Write the quadratic function in standard form. f(x) = x2 - 4x + 1 R x ) = Sketch its graph. f(x) f(x) 10 10 5/ 51 -10 -5 5 10 -10 -5 5 10 -5 -5 -10 O -10 f(x) f(x) 10/ 10/ 51 WebAssign Plot X - X -10 10 -10 -5 5 10 -5 O 10 O -10 Identify the vertex, axis of symmetry, and x-intercept(s). (If an answer does not exist, enter DNE.) vertex (x, f(x)) = axis of symmetry x-intercept (x, A(x) ) = (smaller x-value) X-Intercept (x, RX)) = (larger x-value)