When introduced in 1997, a DVD player sold for about $500. Five years later, the average price was $155. Find and interpret the

Question

3 years ago

11

average rate of change in price per year.

1 answer:

ziro4ka [17] · Answer 1 · 2022-08-15T15:10:08+03:00

6 0

Answer:

-69

Step-by-step explanation:

Use rise over run (change in y/change in x)

The change in y is -345, since that is how much the price decreased

The change in x is 5 years

-345/5

= -69

So, the average rate of change in price per year is -69