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Mathematics 12 Online
OpenStudy (anonymous):

A sporting goods store is having a 15% off sale on all items. Which functions can be used to find the sale price of an item that has an original price of x? You may choose more than one correct answer. ƒ(x) = x - .15x Sale = Original - 15 ƒ(x) = 1.15x Sale = Original - .15(Original) y = .85x

OpenStudy (anonymous):

i know it's the first one and the fourth one but i'm not sure if there is another answer along with it

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