# Write two linear functions

**Question description**

1. Write two linear functions—one to model a cost that a business has and the other to model the
revenue of the business. The template for your model might look something like this:

Revenue = (amount made off each customer)(number of customers)

Cost = (cost created by each customer)(number of customers) + (some flat cost incurred )
Cost = some flat cost incurred

2. Graph each of the functions you write in problem 1.

3. Using this information and the relationship between revenue, cost, and profit from problems 1 and 2, find the linear relation that you would expect to model profit.

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