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In 1975 a four function calculator cost $125. In 1995 a 4 function calculator cost $5. Find the rate of change in cost of a calculator in dollars per year. HELP ASAP
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In 1975 a four function calculator cost $125. In 1995 a 4 function calculator cost $5. Find the

rate of change in cost of a calculator in dollars per year.
HELP ASAP

User Jonatzin
by
8.5k points

1 Answer

3 votes

Answer:

it's -6 dollars per year.

Explanation:

the expression would be (5-125)/(1995-1975) which would give you the average rate of change.

User Kevin Borders
by
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