1. A ball leaves the pitcher’s hand that is 2 meters high at a speed of 40 meters per second. The equation for the ball’s height, h, at t seconds is: h(t) = -4.9t2 + 40 t + 2 A) When does the ball strike the ground?

B) What is the height of the ball after 2 seconds?

5/6+7/8what is the answer sealsdbdbshd

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

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)) =