The Profit Function for a Certain Company Making and Selling $x$

question 28

Multiple Choice

The profit function for a certain company making and selling $x$ units of a product is given by $P ( x ) = - x ^ { 2 } + 20.31 x + 68.96$ . Find the smallest value of $x$ at which the company breaks even.

• A) \(\quad 4.63\)
• B) \(\quad 4.15\)
• C) \(\quad 4.31\)
• D) \(\quad 4.88\)
• E) \(\quad 5.15\)

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