The Cost for a Guitar Maker to Handcraft X Guitars $C ( x )$

question 73

Multiple Choice

The cost for a guitar maker to handcraft x guitars is given by the function $C ( x )$ . The revenue taken in with the sales of x guitars is given by the function $R ( x )$ . Find the number of guitars that must be sold so that the cost equals the revenue. $C ( x ) = \frac { 1 } { 8 } x ^ { 2 } + x + 16$ , $R ( x ) = \frac { 1 } { 4 } x ^ { 2 }$

• A) 16 guitars
• B) 15 guitars
• C) 13 guitars
• D) 17 guitars
• E) 14 guitars

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