The question is an illustration of a linear function
The equation of that represents the function is y = 1/3x
Assume the variables are x and y, where:
In this case, we have:
The unit in feet is multiplied by 1/3 to get the unit in yard.
So, the equation is:
[tex]y = \frac 13x[/tex]
See attachment for the graph
Read more about linear equations at:
https://brainly.com/question/14323743