A painting sold for $277 in 1978 and was sold again in 1990 for $485. Assume that the growth in the value V of the collector's

Question

A painting sold for $277 in 1978 and was sold again in 1990 for $485. Assume that the growth in the value V of the collector's item was exponential.
a) Find the value k of the exponential growth rate. Assume V₂ = 277.
k=_
(Round to the nearest thousandth.)
b) Find the exponential growth function in terms of t, where t is the number of years since 1978.
V(t)=_
c) Estimate the value of the painting in 2015.
$_
(Round to the nearest dollar.)
d) What is the doubling time for the value of the painting to the nearest tenth of a year?
_years
(Round to the nearest tenth.)
e) Find the amount of time after which the value of the painting will be $2173.
_years
(Round to the nearest tenth.)

Kunduz · Accepted Answer

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