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11-37.

    Jamie teaches ballroom dance at a dance studio. Each month, she offers a series of group classes for a charge of /person.

  1. Write a function to represent Jamie’s monthly earnings based on the number of participants. What is an appropriate domain for your function?

    , where is the number of participants.
    An appropriate domain is the set of all whole numbers.

  2. Jamie rents a large room at the dance studio for /month. Write a function p to represent Jamie’s monthly profits based on the number of participants. How many participants does Jamie need to make a profit each month?

    Jaime's monthly earnings must be greater than for him to make a profit.