The area of a rectangle whoose perimeter is a fixed 80 feet is given by a=40w-w^2, where w is the width of the rectangle. determine the width of the rectangle that gives the maximum area. what type of special rectangle ia necessary to produce this maximum area? justify.

Will give brainliest for correct answer 8. use the distance time graph to answer these questions: a. what does the graph tell us about the velocity of the car? b. what is the average velocity of the car? (show work) c. is the velocity reflected in the graph positive or negative?d. is there any point on the graph where the car is not moving? how do we know?