The price of products may increase due to inflation and decrease due to depreciation. David 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)=0.69(1.03)^x

1.Is the graph decreasing or increasing?
My answer: increasing

2. Why?
my answer: because it starts with -2 and goes to +2

Part 2 The table below shows the price f(t), in dollars, of product B after t years

T years - 1,2,3,4
f(t) Price - 10,100, 10,201, 10,303.01, 10,406.04
3. What is the average rate of change from year 1 to 2?
My answer: It went up by 101

4. Convert this to a %
my answer: .99%

5. which has the greater % change in price?
My answer: Prduct A

Am i close? im stuck on the conversion (#3)