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3 February, 23:15

Unit test test review Profit is the difference between revenue and cost. The revenue, in dollars, of a company that makes skateboards can be modeled by the polynomial 2x3 + 30x - 130. The cost, in dollars, of producing the skateboards can be modeled by 2x3 - 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

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  1. 3 February, 23:56
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    Answer: Option (d) is correct.

    Explanation:

    Given that,

    Profit is the difference between revenue and cost.

    Revenue of a company = 2x3 + 30x - 130

    Cost of a company = 2x3 - 3x - 520

    Profit = Revenue of a company - Cost of a company

    = (2x3 + 30x - 130) - (2x3 - 3x - 520)

    = 2x3 + 30x - 130 - 2x3 + 3x + 520

    = 33x + 390
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