A sales team estimates that the number of new phones they will sell is a function of the price that they set. They estimate that if they set the price at x dollars, they will sell f(x)=4080−10x phones. Therefore, the company's revenue is x⋅(4080−10x).

Find the price x which will maximize the company's revenue.

Someone answer asap 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)) =

Which of the following shows the length of the third side, in inches, of the triangle below

Devonte is balancing his checking account. his account statement does not include a deposit of $107.00 that he made on november 1st. what is devonte’s actual account balance?