In 2012, katie had 74
instagram followers. by
2015, she had increased
to 227 followers. find the
rate of change,

Rate of change is increase of 51 followers per year.

Step-by-step explanation:

Given:

Number of followers in 2012 = 74

Number of followers in 2015 = 227

Therefore, increase in followers = 227 - 74 = 153

Duration for the change = 2015 - 2012 = 3 years

Rate of change of followers is given as:

Therefore, rate of change is increase of 51 followers per year.

use distributive property on all like terms and change your signs if you have a double negative or if you have positive/negative