Marsha wants to determine the vertex of the quadratic function f(x) = x2 â€" x 2. What is the function’s vertex? (one-half, seven-quarters) (one-half, three-halves) (1, 1) (1, 3).

-1/2 +2

step-by-step explanation:

b, i believe, but not sure.

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%