Part B; Extended Response Present fully justified algebraic solutions with all steps shown. 1. [C3] Two of the three statements stated below are false. Choose a false statement and justify your reason. . A function is always differentiable where the function is defined . If lim f (x) exists, and f (a) exists, then f (x) must be continuous at x = a. x-a . 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