Question

Find the vertex, the line of symmetry, the maximum or minimum value of the quadratic function, and graph the function. F(x)=3x^2-18x+4
The x-Coordinate of the vertex is:
The y-coordinate of the vertex is:
The equation of the line of symmetry is x =
The maximum/minimum of f(x) is
The value, f(3) = -23 is the minimum or maximum?