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profit is the difference between revenue and cost. The revenue, in dollars, of a company that makes skateboards can be modeled by the polynomial 2x^3 + 30x -130. The cost, in dollars of producing the skateboards can be modeled by 2x^3-3x-520. The variable x represents the number of skateboards sold. What expression represents the profit?

A: 27x-650
B:27x+390
C:33x-650
D:33x+390

Respuesta :

marynhido
A. 27x-650 hope it'll help
apologiabiology
profit=revenue-cost
profit=(2x^3+30x-130)-(2x^3-3x-520)
profit=1(2x^3+30x-130)-1(2x^3-3x-520)
don't forget to distribute the -1 to the 2x^3-3x-520

profit=2x^3+30x-130-2x^3+3x+520
profit=2x^3-2x^3+30x+3x-130+520
profit=33x+390

D is answer

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