The rate of change is just the slope. it is the. hange in y du used by the change in x since we have the points (1,15) and (2,30) we have
so it is D. it is not when do you use a fraction and when a whole number. it will always be a fraction but sometimes this will reduce to a whole number.
so it is D. it is not when do you use a fraction and when a whole number. it will always be a fraction but sometimes this will reduce to a whole number.