question archive The total profit P(x) (in thousands of dollars) from the sale of x hundred thousand pillows is approximated by P(x)= -x^3 + 9x^2+ 120x - 400, x Greaterthanorequalto 5
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The total profit P(x) (in thousands of dollars) from the sale of x hundred thousand pillows is approximated by P(x)= -x^3 + 9x^2+ 120x - 400, x Greaterthanorequalto 5. Find the number of hundred thousands of pillows that must be sold to maximize profit. Find the maximum profit. The maximum profit is $
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