Which of the following statements are true of the graph of the function f(x) = (x + 5)(x - 3).

The graph has a relative maximum.

The graph has a relative minimum.

The graph has an x-intercept at (5, 0).

The graph has an x-intercept at (3, 0)

The graph has a y-intercept at (0, -15).

The axis of symmetry is x = -2.

The graph has a relative minimum.

The graph has x-intercepts at (3, 0) and (-5, 0).

The graph has a y-intercept at (0, -15).

The axis of symmetry is x = -1.