Answer:
Explanation:
y = 1.5n + 1.5 is the equation to predict height on n day.
For 9, I am not sure but I think 1) I only is the right answer because each day you get 3.5cm tall. Whereas, for the other two, depreciation value decreases the value of car each year so the depreciation cost you see in year 1 wont be equal in year 2 cuz value of car has decreased. For bacteria, I do not know how to properly word it but I think this one also lacks equal difference due to exponential growth. Hope this is right.