Given the graph of $y = f(x)$ (drawn in blue) and $y = g(x)$ (drawn in red) below, answer all of the following questions. Express each of your answers as either a set, such as {2,3,4} (including the set braces), or using interval notation.

(a) Solve $f (x) = 0$:
(b) Solve $g (x) \geq 0$:
(c) Solve $f (x) < 0$:
(d) Solve $f(x) = g(x)$:
(e) Solve $f(x) \leq g(x)$:
(f) Solve $f(x) > g(x)$: