Suppose the function y=5tan(π4t) marks the distance in the movement of a light beam from the top of a police car across a wall where t is the time in seconds and y is the dist...Suppose the function y=5tan(π4t) marks the distance in the movement of a light beam from the top of a police car across a wall where t is the time in seconds and y is the distance in feet from a point on the wall directly across from the police car.