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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.
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30 votes
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.

y = .85 x
ƒ( x ) = 1.15 x
Sale = Original - 15
ƒ( x ) = x - .15 x
Sale = Original - .15(Original)

User Vfle
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2 Answers

12 votes
12 votes
A, D, and E are correct.

Explanation - Taking 15% off is the same thing as only charging 85% so both D and E are correct
User Adam Piotrowski
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3.1k points
16 votes
16 votes

Answer:

the answer is f(x) =x-0.15x

Explanation:

User Lawrence McAlpin
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3.0k points
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