Its ez question just need clarificaion with which choice. the graph below shows the height an elevator travels, y, in x seconds: what is the rate of change for the relationship represented in the graph? a. fraction 1/15 b. fraction 1/14 c.14 d. 15 so obviously its either a. or d. because its moving on the y-axis by 15 but idk which one, when do you use a fraction as the rate of change and when do you use a regualr whole plz explain to me.