From his house, terrell could drive due north to get to his parents' house or he could drive due east to get to his grandparents' house. it is 16 kilometers from terrell's house to his parents' house and a straight-line distance of 20 kilometers from his parents' house to his grandparents' house. how far is terrell from his grandparents' house?

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.