# A company estimates its total profit (profit = total revenue minus total cost) as P(x) = 2x5 − 3x4 − 5x2 − 2, where P is in thousands of dollars and x is the number of years elapsed since the company was founded. How many times can the total profit become exactly zero?

(1) Answers

P(x) = 0 10x - 12x - 10x - 2 = 0 -12x - 2 = 0 -12x = 2 x = -1/6

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