The graph represents the height y, in meters, above a lake of a rock x seconds after it is thrown from a ledge. which statements are true? select each correct answer. the rock reaches a maximum height of 38 m. the rock reaches a maximum height of 43 m. the height of the rock is decreasing for 2 s. the rock travels at 4 m/s . the rock is in the air for 4 s.

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)) =

Solve -.016x= -16. need solving this

What number produces an irrational number when multiplied by 1/4