Given s(t)=2t+4, where s(t) is in miles and t is in hours, find each of the following. a) v(t) b) a(t) c) The velocity and acceleration when t=2hr d) When the distance function is given by a linear function, there is uniform motion. What does uniform motion mean in terms of velocity and acceleration? items have been produced and sold. Find an equation for the tangent line to the graph of y=(x316x)12 at the point (4,0) The equation of the tangent line is y= (Simplify your answer.)