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 piecewise function or a step function because the rate of change changes. It would consist of a straight line for the first 6 weeks representing the savings, and then another straight line representing the spending after week 6.
2) The y-intercept of this graph would be $50, meaning the starting amount of money Ryan had before he started saving or spending.
3) The rate of change is negative after the first 6 weeks because as the weeks increase, the money decreases. It would be -10, indicating that Ryan is spending $10 per week.