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A fast-food restaurant determines the cost and revenue models for its


C = 0.4x + 7800,     0 ≤ x ≤ 50,000 R =  1

10,000 (69,000x − x2),     0 ≤ x ≤ 50,000

Write the profit function for this situation.

P =    

Determine the intervals on which the profit function is increasing and decreasing. (Enter your answers using interval notation.)



Determine how many hamburgers the restaurant needs to sell to obtain a maximum profit:

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So, Increasing on [0, 32500) Decreasing on... View the full answer

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