# How fast was the average selling price of standalone DVD recorders falling at th

*label*Calculus

*timer*Asked: Mar 24th, 2015

**Question description**

The rise of digital music and the improvement to the DVD format are some of the reasons why the average selling price of standalone DVD recorders will drop in the coming years. The function

A(t) = 699/(t+1)^0.94 (0 ≤t≤ 5)

gives the projected average selling price (in dollars) of stand-alone DVD recorders in year *t*, where *t* = 0 corresponds to the beginning of 2002.† How fast was the average selling price of standalone DVD recorders falling at the beginning of 2002? How fast was it falling at the beginning of 2006? (Round your answers to the nearest cent.)

2002= $_______ per year

2006= $_______ per year