Answer:
The unit rate is 2 feet per year
Step-by-step explanation:
The graph is missing (See attachment)
To determine the unit growth;
First, we have to pick any two corresponding on the x and y axis
When x = 5; y = 10
When x = 1; y = 2
These can be represented as;


Next, is to determine the slope using;

Substitute values for x and y



<em>Hence, the unit rate is 2 feet per year</em>