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anonymous
 one year ago
Can I get some help with this question:
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) = 10250(0.63)^x
Part A: Is the price of product A increasing or decreasing and by what percentage per year? Justify your answer.
Part B: The table below shows the price f(t), in dollars, of product B after t years:
anonymous
 one year ago
Can I get some help with this question: 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) = 10250(0.63)^x Part A: Is the price of product A increasing or decreasing and by what percentage per year? Justify your answer. Part B: The table below shows the price f(t), in dollars, of product B after t years:

This Question is Closed

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0For Part A I said: "The price of product A is decreasing because the number inside the pretenses of the function is less than 1. It is decreasing by 37%"

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Alright, now I'm just stuck at Part B

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0What's the question?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Oh oops here it is, its for Part B: Which product recorded a greater percentage change in price over the previous year? Justify your answer.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0To get the common ratio for Part B, divide the price from any year by the price 1 year EARLIER. What do you get?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Do i have to use f(b)f(a)/ba?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0If I just divide the year by the year earlier I got .43

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Great. Now in Part A, this ratio was 0.63. So which one has the greatest percentage change? Remember, A changes by 10.63 = 37%

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0B has a greater percent change because 10.43=57%

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So B recorded a greater percent change in price over the previous year

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Well done. Congrats.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Yay all thanks to you!
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