SOLUTION: The daily production costs C( in dollars per unit) for a manufacturer of lighting fixtures, are given by the quadratic function c(x) =800-10x+0.25x 2 where x is the number of units

Algebra ->  Linear-equations -> SOLUTION: The daily production costs C( in dollars per unit) for a manufacturer of lighting fixtures, are given by the quadratic function c(x) =800-10x+0.25x 2 where x is the number of units      Log On


   



Question 975091: The daily production costs C( in dollars per unit) for a manufacturer of lighting fixtures, are given by the quadratic function c(x) =800-10x+0.25x 2 where x is the number of units produced. How many fixtures should be produced to yield a minimum cost per unit?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
c(x) =800-10x+0.25x 2
vertex x value is -b/2a, and that is 10/0.5 or 20.
x=20, y = 800-200+100=700.
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