Answer:
A = 1cm*pi
Step-by-step explanation:
D because none of the other statments are correct and it's the only one that lines up with the data.
For the equation, the rate of change would be four.
Now looking at the graph, look at each point of the line that hits perfectly on a grid. Count up four, over two. The rate of change for the graph would be 4/2, or 2. Hope this helps!
