The Marginal Cost of a Product Is Modeled By $\frac { d C } { d x } = \frac { 8 } { \sqrt { x + 1 } }$

question 35

Multiple Choice

The marginal cost of a product is modeled by $\frac { d C } { d x } = \frac { 8 } { \sqrt { x + 1 } }$ , when x = 8, C = 40. Find the cost function.

• A) \(C ( x ) = 8 \sqrt { x + 1 } + - 8\)
• B) \(C ( x ) = 16 ( x + 1 ) + - 6\)
• C) \(C ( x ) = 16 \sqrt { x + 1 } + - 8\)
• D) \(C ( x ) = 8 \sqrt { x + 1 } + - 8\)
• E) \(C ( x ) = 8 ( x + 1 ) + - 6\)

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