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Author Question: A consumer group in one city compares the costs of goods and services in that city over various ... (Read 216 times)

123654777

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Question 1

A business estimates that the salvage value V of a piece of machinery after t years is given by 

 

After what amount of time will  the salvage value be $639?
◦ After 10.6 years
◦ After 8.6 years
◦ After 9.6 years
◦ After 11.6 years

Question 2

A consumer group in one city compares the costs of goods and services in that city over various years, and uses 1970 as a base.  The same goods and services that cost $100 in 1970 cost $42 in 1941.  Assuming the exponential-decay model, find the value of k, and write the equation.   Round the value of k to the nearest thousandth. Let t be the number of years before 1970.
◦ P(t) = P0e-0.028t
◦ P(t) = P0e-0.035t
◦ P(t) = P0e-0.03t
◦ P(t) = P0e-0.032t


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Marked as best answer by 123654777 on Jun 16, 2021

owenfalvey

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123654777

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Reply 2 on: Jun 16, 2021
YES! Correct, THANKS for helping me on my review


Animal_Goddess

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Reply 3 on: Yesterday
Gracias!

 

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