A car is driven on a straight road, and the distance traveled by the car after time t=0 is given by a quadratic function s, where s(t) is measured in feet and t is measured in seconds for 0≤t≤12. Of the following, which gives the best estimate of the velocity of the car, in feet per second, at time t=6 seconds? s(6)

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

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)) =

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap