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inna [77]
3 years ago
11

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

average rate of change in price per year.
Mathematics
1 answer:
ziro4ka [17]3 years ago
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

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