9. Ian and his friends are renting a cabin that charges an initial fee plus a rate per night. The
relationship between the cost and the number of
nights is shown in the graph.
500
450
400
350
a. What is the initial fee to rent the cabin?
300
Total Cost
250
200
b. What is the cost per night?
150
100
50
.
c. Write an equation to represent the situation.
Number of Nights