What is the approximate average rate of
change for the height of the plant, measured in
centimeters per day, between day 20 and day
40?(leave answer in fraction and decimal)
![What is the approximate average rate of change for the height of the plant measured in centimeters per day between day 20 and day 40leave answer in fraction and class=](https://us-static.z-dn.net/files/d7f/06b7ede9a31dcf1e0d20a0a0307fae59.png)