John Owns a Hot Dog Stand $P = - x ^ { 2 } + 80 x + 87$

question 218

Multiple Choice

John owns a hot dog stand. He has found that his profit is given by the equation $P = - x ^ { 2 } + 80 x + 87$ , where x is the number of hot dogs sold. How many hot dogs must he sell to earn the most profit?

• A) 23 hot dogs
• B) 47 hot dogs
• C) 40 hot dogs
• D) 41 hot dogs

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