SOLUTION: If the cost, C(x), for manufacturing x units of a certain product is given by C(x)= x^2 - 30x + 7000 find the number of units manufactured at a cost of $8000

SOLUTION: If the cost, C(x), for manufacturing x units of a certain product is given by C(x)= x^2 - 30x + 7000 find the number of units manufactured at a cost of $8000

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Question 629299: If the cost, C(x), for manufacturing x units of a certain product is given by C(x)= x^2 - 30x + 7000 find the number of units manufactured at a cost of $8000
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
x^2 - 30x + 7000=8000
x^2 - 30x -1000=0
(x-50) (x+20) = 0
x=50
x=-20
reject negative answers
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