The total cost C(x) (in dollars) incurred by Aloha Company in manufacturing x surfboards a day is given by the following function. C (r) = - 10x2 + 500x + 110 where (0

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Author:Lynn Marecek
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Chapter9: Quadratic Equations And Functions
Section9.6: Graph Quadratic Functions Using Properties
Problem 292E: How can you use the discriminant when you are graphing a quadratic function?
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The total cost C(x) (in dollars) incurred by Aloha Company in manufacturing x surfboards a day is given by the following function.
C (r) = - 10x2 + 500x + 110 where (0 <x < 15)
(a) Find C'(x).
C'(x) =
-20x + 500
(b) What is the rate of change of the total cost when the level of production is 11 surfboards a day?
$
X per surfboard
Transcribed Image Text:The total cost C(x) (in dollars) incurred by Aloha Company in manufacturing x surfboards a day is given by the following function. C (r) = - 10x2 + 500x + 110 where (0 <x < 15) (a) Find C'(x). C'(x) = -20x + 500 (b) What is the rate of change of the total cost when the level of production is 11 surfboards a day? $ X per surfboard
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