He Find the velocity Function based on the displacement Function TAPE s (t ) = t" tan ( 5t ) #2 given the function [ (X ) = x - 3 determine at which Values For X x2 - 4 X+ 3 the Function is discontinuous . classify any discontinuities by name ( removable, infinite ) #8 a rock is thrown into a pond creating a circular ripple . the radius of the circle Is increasing at a rate of Ift/sec at what rate is the area of the circle increasing when the radius is 12 ft