Ryan is tracking how much money he has each week.
He started with $50.
He saves $15 per week for the first 6 weeks.
He spent $10 per week after week 6 until the money's all spent.
(4 points)
1) The graph of this scenario would be
because the rate of change changes.
2) The y-intercept of this graph would be
meaning
.
3) The rate of change is
after the first 6 weeks because as the weeks increase the money decreases.
1) The graph of this scenario would be a decreasing linear function because the rate of change changes. The line would start at $50 and gradually decrease until it reaches zero.
2) The y-intercept of this graph would be 50, meaning that at the start (week 0), Ryan had $50.
3) The rate of change is -10 after the first 6 weeks because as the weeks increase, the money decreases by $10 per week.