Author Question: A consumer group in one city compares the costs of goods and services in that city over various ... (Read 328 times)

123654777 · **on:** Jun 16, 2021

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

owenfalvey · **Reply #1 on:** Jun 16, 2021

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