The graph of f(x) = −x2 − 2x + 8 is shown. Which of the following describes all solutions for f(x)? a parabola passing through negative 4 comma zero, negative 1 comma 9, zero comma 8, and 2 comma zero (x, −x2 − 2x + 8) for all real numbers (−4, 0), (−1, 9), (0, 8), (2, 0) (−4, 0), (2, 0) (x, y) for all real numbers