The table below shows the average height in feet of trees on a tree farm and a number of years since the trees were planted. Find equation for the function relating the average height and the number of years

Question

Number of years since the trees were planted- |1|3|6|11|15|
Average height(ft)- |10|24|45|80|108|

Answer 1

(24-10)/(3-1) = 7
assuming that stays constant, then
y = 7x+3
easy to check.