Which three statements correctly describe key features of the function graphed here? The x-intercepts are at (-1,0) and (8,0).
The vertex is located at (3,-8).
The range of the function is -8 ≤ y ≤ ∞.
The vertex is a maximum.
The function has a y-intercept of (0,3).
The vertex is a minimum.
The axis of symmetry is the line y = -8.