Question

2 years of tuitiom costs about $7228 at pine tech. Write slope as cost per year (1 year)

Answer 1

Here you need to find the "unit rate," that is, the tuition cost per year:

2 years of tuition costs about $7228 at pine tech. Write slope as cost per year (1 year)

Rise     $7228
------ = ------------ = $3614 per year.  This slope is POSITIVE, and the 
Run        2 yr         function for "tuition as a function of the # of years"
                              is linear and the relationship is proportional.