Recursive Formulas please help as soon as possible:)

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.

True or false? a circle could be circumscribed about the quadrilateral below.

Which statement best explains why ben uses the width hi to create the arc at j from point k