I need help with these two questions.

Two vehicles start out traveling side by side along a straight road. Their position functions, shown in the following graph, are given by s = f(t) and s = g(t) , where s is measured in meters and t is measured in seconds. Which vehicle has traveled farther at t = 2 seconds? 0 Vehicle f 0 Vehicle g What is the approximate velocity of the f vehicle at t = 3 seconds? C] meters per second What is the approximate velocity of the 9 vehicle at t = 3 seconds? C] meters per second Which vehicle is traveling faster at t = 4 seconds? 0 Vehicle f 0 Vehicle g Let s(t) = 4to - 12t - 36t be the equation of motion for a particle. Find a function for the velocity. v ( t ) = Where does the velocity equal zero? [Hint: factor out the GCF. ] t = and t = Find a function for the acceleration of the particle. a(t) =