Describe the end behavior for the graphed function

The graph below shows the amount of money left in the school’s desk fund, f, after d desks have been purchased. for each new desk that is purchased, by how much does the amount of money left in the school’s desk fund decrease?

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

The distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points