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A cooking school is offering a promotion where the first class is free, the second class is half off the regular price, and the remaining classes are regularly priced.
|Question 14Math
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If the regular price of a class is $22.80, which function f gives the total cost, in dollars, of x classes taken using this promotion, where x≥2?
f(x)=22.80(x−1)+11.40
A
f(x)=22.80(x−2)+11.40
B
f(x)=22.80(x−1)+11.40(x−2)
C
f(x)=22.80(x−2)+11.40(x−1)
D