Over which interval on the x-axis is there a negative rate of
change in the function?

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

Aline that intersects one of two parallel lines intersects the other also always sometimes never

Combine the information in the problem and the chart using the average balance method to solve the problem.