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The revenue \(R,\) in dollars, that is generated by selling “\(x\)” units of a certain product is given by \(9x^2 + bx + c\), where \(x > 0\) and b and c are constants. Find the value of \(b.\)
(1) The revenue generated by selling 200 units of the product is 54,0000.
(2) The roots of the equation \(ax^2 - bx + c\) are 20 and 9.
Answer: C
Source: e-GMAT
(1) The revenue generated by selling 200 units of the product is 54,0000.
(2) The roots of the equation \(ax^2 - bx + c\) are 20 and 9.
Answer: C
Source: e-GMAT
