F(x)= -(1/x-5)+2. I hope this helps
$480 is the price after the discount was added. We can then assume that $480 is 3/4 the price of the original item. To find 1/4, we simply divide by 3, which equals $160. since $160 is one quarter of the price, the original price was $640.
The answer is C ten years. 2.5 percent of 2000 is 50 so take 50 and divide it by 500 which equals 10
