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Finding Inputs and Outputs in a Story Context

A local carpet cleaning company charges $8.54 for each room plus a reservation fee of $7. They clean a

maximum of 5 rooms. Also, they have the policy that once a reservation is made, if you cancel, the

reservation fee is non-refundable and they only clean full rooms not partial rooms.

Let C represent the total cost from the carpet cleaning company and n represent the number of rooms

cleaned.

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Note: Round your answers to two decimal places as needed. You may need to use set notation for your

domain and range { }-

1. Determine the linear function that represents the total cost for cleaning n rooms. Write your

answer in function notation.

Linear Function:

1. Identify the Practical Domain and Practical Range for this situation.

Practical Domain:

Practical Range:

Fig: 1