SOLUTION: The time it takes for an airplane production company to produce x number of their planes is given by 150x^-0.322(in thousand work-hours). How many work-hours will it take the produ

Question 891643: The time it takes for an airplane production company to produce x number of their planes is given by 150x^-0.322(in thousand work-hours). How many work-hours will it take the production company to build their fifty-fifth airplane?
I do not understand this at all. Can someone please explain this to me?
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
The time it takes for an airplane production company to produce x number of their planes is given by 150x^-0.322(in thousand work-hours). How many work-hours will it take the production company to build their fifty-fifth airplane?
***
just substitute for x the given number (55) airplanes then calculate the expression to get the answer in thousands of work hours.
150x^-0.322=150*55^-0.322)=150/(55^0.322)=41.28 thousand work hours
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