sue is creating a pattern using a computer art program. she made one triangle with a length of 4.2 inches and a height of 6 inches. She duplicated the triangle and reduced it to a length of 2.8 inches and a height of 4 inches. What is the scale factor of the dilation

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.