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Examples 1 and 2 1 HOTELS The function y = 100(1.05) represents the cost per night at a hotel that cost $100 when the hotel opened and has been increasing by 5% every year since the hotel opened.

a. Graph the function.​

User John Guan
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Answer:

The graph of the function y = 100(1.05) is shown below.

b. Calculate the cost of the hotel per night after six years.

The cost of the hotel per night after six years is $130.25. This is calculated by plugging in t = 6 into the equation y = 100(1.05)^t and solving for y.

c. What is the overall cost of 7 nights at the hotel in its sixth year of operation?

The overall cost of 7 nights at the hotel in its sixth year of operation is $910.75. This is calculated by multiplying the cost per night after six years ($130.25) by 7 nights.

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