A horse is shown in the scale drawing the height of the horse in the drawing is 4.5 inches the scale that maps the drawing to the actual horse is 1 inch to 1.5 feet using the scale giving enter the actual height of the horse in feet

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.