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The profits od a company are found by subtracting the company's costs from its revenue. If a company's cost is mode by x^2-3x+400 and its revenue is modeled by 4x^2-7x-900, what is an expression for the profits?

 Feb 11, 2019
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   x^2-3x+400-(4x^2-7x-900)

=  x^2-3x+400-4x^2+7x+900

= -3x^2+4x+1300

laugh

 Feb 11, 2019

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