Is the relation represented in this table a function?

x −6 −4 0 2 4
y 5 5 3 3 0

select the statements that are true. options: the relation is a function. an element from the domain is paired with more than one element from the range.

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%

i don't see any steps below, sweetheart