Let f(x) be a continuous function on (-⁰, ⁰) for which the following is known: f(-2) = 0, f"(c) = 0 for c = -4, -1. f(x) is not differentiable at x = 2. f'(x) < 0 on the interval (-⁰, -4) and ________.
1) f(x) is increasing on the interval (-4, ⁰)
2) f(x) is decreasing on the interval (-4, ⁰)
3) f(x) has a local maximum at x = -4
4) f(x) has a local minimum at x = -4
