P B' E n R Present fully justied algebraic solutions with all steps shown. 1. [C3] One of the three statements stated below is false. Choose the false statement and justify your reason. I A function is always differentiable where the function is defined I If lim f (x) exists, and f (a) exists, then f (x) must be continuous at x = a. 1H! I The slope of the tangent to a curve at a point P is the limit of the slopes of the secants PQ as a point Q moves closer to P