What is the multiplicative rate of change for the following coordinates (-1,.8) (0,2) (1,5) (2,12.5)

We can present these coordinates in tabulate form

x y

-1 0.8

0 2

1 5

2 12.5

We work the multiplicative rate of change by finding out the increase ratio

12.5 : 5 = 2.5

5 : 2 = 2.5

2 : 0.8 = 2.5

The ratio results in the same ratio every time, which is 2.5

The multiplicative rate of change = 2.5