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Question: the prices of ski rental packages are shown below for...

Question details

The prices of ski rental packages are shown below for various numbers of days.

Prices of Ski Rental Packages
Price of Package
                                          Number of Days (dollars)
           1 15.00
           2 30.00
           3 45.00
           4 56.00
           5 70.00
           6 78.00

Let y be the price (in dollars) of a ski rental package and let x be the number of days
rented.
(a) Use linear regression with a graphing calculator to find an equation of a linear model
to describe the data. Round to 3 decimal places.
(b) According to your model, how much will a 9-day rental cost? Round to the nearest
cent.
(c) Suppose someone has a budget of $200 for rentals. What is the maximum number
of days they could rent skis? Assume they must rent for an integer number of days.

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