SOLUTION: The cost producing x thousand units of shoes daily can be approximated by the function C(x)=0.24x²-78.24x-15,930. How many shoes should the company produce daily to minimize cost?

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Question 1166948: The cost producing x thousand units of shoes daily can be approximated by the function C(x)=0.24x²-78.24x-15,930. How many shoes should the company produce daily to minimize cost?
It involves quadratic functions
Answer by Theo(13342) About Me  (Show Source):
You can put this solution on YOUR website!
there is something wrong with your equation.
i graphed it as given and this is what i got.



the graph is telling me that that the minimum cost is negative.

this should not be.

if i changed the constant term from -15,930 to +15,930, then i got an answer that makes more sense.

the graph of that is shown below:



i'm not saying that's the problem with your equation, but that change does make the equation feasible.

check your equation to make sure that you copied it down correctly.