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anonymous
 one year ago
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?
anonymous
 one year ago
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?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0A)c(x) = 3x + 3 B)c(x) = 6x + 3 C)c(x) = 7x + 3 D)c(x) = 8x + 3

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0hi! try using any of them with the case given for Gillian, replacing the x by the hours he skated...for example using A: \[c(3)=3\times3+3=12\] so A is not the answer, we should get $21
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