.Cindy baked 6 cakes to raise money for her track team. The total cost for all of the ingredients for her cakes is $30.00. She will sell each cake for $12.00. Use a function to model the money Cindy could raise for her track team.
Part A: Write a rule in function notation.
Part B: What is the domain of this function?
Part C: What is the range of this function?
Part D: Explain if the graph of this function would be continuous or discrete.