Can someone find rate of change of y pls ( irrelevant answers and links will be reported)

Answer:
Step-by-step explanation:
As x increasess by 5 units from 0 to 5, y increases by 6,250 to -30,000.
The rate of change is:
change in y 6250
---------------------- = ------------------- = 1250 (units of x) / (units of x)
change in x 5