Calculus Section 1.5 [ATTACH=full]2389[/ATTACH] [ATTACH=full]2390[/ATTACH]
Can the hole be filled somehow to complete the path of f(x)? If the hole is filled, then f(4) is 4. Yes?
I think the textbook covers a lesson on filling the hole. If the hole is filled, the function is continuous. Right? I think continuity is one or two sections away.