A manufacturer of lighting fixtures has daily production costs of
C = 800 − 40x + 0.25x2,
where C is the total cost (in dollars) and x is the number of units produced. How many fixtures should be produced each day to yield a minimum cost?

Question

A manufacturer of lighting fixtures has daily production costs of
C = 800 − 40x + 0.25x2,
where C is the total cost (in dollars) and x is the number of units produced. How many fixtures should be produced each day to yield a minimum cost?

dan815 · Answer

there is a + sign infront of the x^2

dan815 · Answer

so you know it is an upward facing parabola where is the lowest point on an upward facing parabola?

dan815 · Answer

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