AIR MATH

Math Question

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? \( c(x)=3 x+3 \) \( c(x)=6 x+3 \) \( c(x)=7 x+3 \) \( c(x)=8 x+3 \)

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