If f(x) 2x2 8x 9, which statement regarding the vertex form of f(x) is true? a. in vertex form, f(x) 2(x 2)2 1 and therefore has a minimum value of 1 b. in vertex form, f(x) 2 (x 2)2 1 and therefore has a minimum value of 2. c. in vertex form, f(x) 2(x 2)2 4.5 and therefore has a minimum value of 4.5 d. in vertex form, f(x) 2(x 2)2 4.5 and therefore has a minimum value of 2.

Someone answer this asap rn for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?

Find the maximum value of p= 4x + 5y subject to the following constraints :