To find out how fast a tree grows, you can measure it's trunk. A giant red oak's diameter was 248 inches in 1965. The tree's diameter had grown to 251 inches in 2005. Find the average rate of change in diameter of the tree per year.

Question

driftracer305 · Answer

new diameter - old diameter   /    year of new dia.  -  year of old dia...

driftracer305 · Answer

u shld be good

anonymous · Answer

Average rate of change is the slope between two points, when graphed.

Do you recal how to make two points from the information given in the problem?