find the vertex and access of symmetry of the parabola. Youcan either use completing the square or use the formula for the Xvalue of the vertex. Find the vertex and axis of symmetry of the parabola. You can either use completing the square or use the formula for the \( x \)-value of the vertex. Parabola \( f(x)=-x^{2}-14 x+4 \) Vertex is i Axi 2 answers