The amount of money Sarah has saved (S) can be modeled by the function equation:
S(w) = 8w + 20, where 'w' represents the number of weeks since she started saving. What does the rate of change mean for this situation?
Question 11 options:
Sarah has saved a total of $8
Sarah started with a savings of $8
Sarah saves $8 per week
Sarah saves $20 a week
