just the answers ASAP

Given a quadratic function f(x) =-1+4x -4x2 of find the axis of symmetry, the vertex and the y-intercept. Input answers as an integer or a real number with one decimal point, e.g., -3, 0, -0.4 or 5.7 . The axis of symmetry is x = . The vertex is at (a, b), where a = b = . The y-intercept is at (c, d), where C = d =