A water balloon is tossed into the air so that its height h (in feet) after t seconds can be modeled by the function h(t) = -16t2 + 80t + 7.
ANSWERS IN SENTENCES

A) at what height was the balloon initially before it was tossed?
B) What is the height of the balloon after 1 second?
C) What is the maximum height of the balloon?
D) When did the balloon reach its maximum height?
E) After how many seconds did the water balloon hit the ground? Round your answer to 3 decimal places.

I need help ASAP someone please ) THANKS

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

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)) =

The box plots show the average speeds, in miles per hour, for the race cars in two different races. which correctly describes the consistency of the speeds of the cars in the two races?