Which set of ordered pairs represents y as a function of x? A {(-9, 2), (0, 6), (1, -2), (-3, 6)}
B {(-1,0), (4,3), (-7, -3), (-1, -8)}
с
{(3, 2), (-4,-2), (3, 1), (-4,1)}
D {(5, 4), (2, 3), (1, 1), (2, 4)}

is there any attachment? what are the equations?

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step-by-step explanation:

answer:   expression= p+p*d%

price reduction + sale price = $625

sale price: $p+$p*d%

where d% is the percentage of discount

step-by-step explanation:

original price = p

price went down by $150 price reduction $p*d%

sale price= $ 475

therefore the price before sale is: $625

and the expression that shows the price before sale is: p+p*d%