The basement of a large department store features discounted merchandise. their policy is to reduce the previous month's price of the item by 5 % each month for 4 months, and then give the unsold items to charity.

let upper s subscript 4 be the sale price for the fourth month and upper p the original price. express upper s subscript 4 as a function of upper p baseline number .

What is the approximate circumference of the circle shown below?

The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?

Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?