16 Ashley was given $4000 when she turned 2 years old. Her parents
invested it at a 3% interest rate compounded annually. No deposits or
withdrawals were made. Which expression can be used to determine
how much money Ashley had in the account when she turned 18?
(1) 4000(1 -.03)
(2) 4000(1 +.03)
(3) 4000(1 +.03)
(4) 4000(1 -.03)
16
18
18

Aschool typically sells 500 yearbooks each year for 50 dollars each. the economic calls does a project and discovers that they can sell 100 more yearbooks for every $5 decrease in price. the revenue for yearbook sales is equal to the number of yearbooks sold times the price of the yearbook. let x represent the number of $5 decrease in price. if the expression that represents the revenue is written in the form r(x)=(500+ax)(50-bx). to maximize profit, what price should the school charge for the yearbooks? what is the possible maximum revenue? if the school attains the maximum revenue, how many yearbooks will they sell?

Find dy/dx using implicit differentiation ln(20+e^xy)=y

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?