Part 1
You want to celebrate all of your recent successes. You decide to reward yourself and a special
someone with a vacation to a destination of your choosing. For your trip you will need to stay in a
hotel/resort and rent a car.
You decide to rent a car for the duration of your trip. You have two options. Write an equation for each company that
depicts the total cost of the rental, y, based on the number of days, x.
Cheepers Rent-A-Car:
$39/day with a one-time charge of $20 for insurance/fees
Busters:
$49/day but all additional fees are included in the price of
the rental
Be sure to label each equation with the company it
corresponds to.
Part 2
Graph the system of equations that you wrote for car rental
options to determine the break-even point for the cost of the car rentals. One easy way to do this is using desmos.com,
the online graphing calculator and take a screen shot of your graph. If you are unsure how to capture a screen
shot visit http://www.take-a-screenshot.org/.
You may also choose to graph this by hand and take a picture of your
graph but be sure that your graph is easy to read. Insert either option AS A PICTURE using
the button.
Part 3
Write your solution to the system as an ordered pair, then
interpret the values in the context of the problem.
part 4
Explain how you would use your graph to determine the
cheaper option after one day, two days, three days etc. What would you look for on the graph?
Part 5
Explain how you would use your break even point to determine
the cheaper option after one day, two days, three days etc.
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