Question

Help its EZ question just need clarificaion help with which choice.

Answer 1

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
$\frac{30 - 15}{2 - 1} = \frac{15}{1} = 15$
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.