xponential function has an initial value of 500 and a decay of 15%. Compare the average rate of change for the interval 0<x<4 to the average rate for the interval 4<x<8. What do you think will happen to the rate of change for the intervals beyond x= 8? Explain.

Can someone answer these problems for me

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air