Hainatingla2ugh Hainatingla2ugh

11-06-2016
Mathematics

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The ice skating rink charges an hourly fee for skating and $3 to rent skates for the day. Gillian rented skates and skated for 3 hours and was charged $21. Which equation represents the cost, c(x), of ice skating as a function of x, the number of hours of skating? A)c(x) = 3x + 3 B)c(x) = 6x + 3 C)c(x) = 7x + 3 D)c(x) = 8x + 3

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metchelle metchelle

11-06-2016

The BEst function would be A)c(x) = 3x + 3. Since there is a unavoidable cost of 3 which comes from renting skates per day and a variable cost of 3 per hour from the use of skating rink

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