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The value V (in millions of dollars) of a famous painting can be modeled by the equation V = 10ekt, where t represents the year, with t = 0 corresponding to 1975. In 2003, the same painting was sold for $25 million. Find the value of k. (Round your answer to four decimal places.)

Respuesta :

kritter1
Assuming that e is exponent meaning kt to the power 10; 

v=10^kt 

The years passed: 2003-1975= 28 years

25m=10^k28 
log(25m)=28k 
log(25m)/8=k <-- input entire value of million in 
k=0.9247425 ≈ 0.9247 

Hope I helped :) 

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