Question

medal and fan!

Answer 1

The price of products may increase due to inflation and decrease due to depreciation. Derek is studying the change in the price of two products, A and B, over time.

The price f(x), in dollars, of product A after x years is represented by the function below:

f(x) = 12500(0.82)x

Part A: Is the price of product A increasing or decreasing and by what percentage per year? Justify your answer. (5 points)

Part B: The table below shows the price f(t), in dollars, of product B after t years:


t (number of years) 1 2 3 4
f(t) (price in dollars) 5600 3136 1756.16 983.45


Which product recorded a greater percentage change in price over the previous year? Justify your answer. (5 points)

Answer 2

Part a 12500(0.82)=10250

Answer 3

what ?

Answer 4

it is decreasing by 2250 its part a

Answer 5

Plug in 1 for X and find that answer. Then plug in 2 for X and find that answer. Compare

Answer 6

oh okay

Answer 7

are you still there?