Question 843212
e.g. Suppose f is a function that satisfies *[tex \large f(x) = 0] where *[tex \large 0 < x < 4] and *[tex \large f(x) = 1] where *[tex \large x \le 0] or *[tex \large x \ge 4]. It is bounded by y = 2 and y = -2, and discontinuous at 0, 4.