On a coordinate plane, a parabola opens down with solid circles along the parabola at (negative 3, negative 5), (negative 2, 0), (negative 1, 3), (0, 4), (1, 3), (2, 0), (3, negative 5).

Question

Which statement is true regarding the intervals where the function is increasing and decreasing?

The function is increasing from (–∞, 0).
The function is increasing from (0, ∞).
The function is decreasing from (–∞, 0).
The function is decreasing from (–∞, ∞).

Answer 1

The function is increasing from (–∞, 0) and decreasing from (0, ∞).