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A. The graph of the scenario would be a piecewise function because the rate of change changes. Initially, the rate of change is -$5, and after week 6, the rate of change becomes -$10.
B. The y-intercept for this scenario would be $60 because that is the amount of money Ryan starts with.
C. The rate of change is constant at -$5 for the first 6 weeks and then becomes -$10 after week 6. As the weeks increase, the money decreases faster.