Cost, Revenue & Profit Functions
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Questions and Answers

What is the profit function, $p(x)$, when the revenue function is $r(x) = 20x$ and the cost function is $c(x) = x^2 - 1100x + 1200$?

  • $p(x) = -x^2 + 1120x - 1200$ (correct)
  • $p(x) = x^2 - 1120x - 1200$
  • $p(x) = -x^2 - 1120x + 1200$
  • $p(x) = x^2 + 1120x - 1200$
  • What is the product of $f(x) = x^2 + 2x - 5$ and $g(x) = 3x - 1$?

  • $3x^3 - 5x^2 + 17x - 5$
  • $3x^3 - 5x^2 - 17x - 5$
  • $3x^3 + 5x^2 + 17x + 5$
  • $3x^3 + 5x^2 - 17x + 5$ (correct)
  • What is the result of dividing $g(x) = 4x^5$ by $h(x) = 8x^2$?

  • $0.5x^{3}$ (correct)
  • $2x^{7}$
  • $2x^{3}$
  • $0.5x^{7}$
  • If $f(x) = 2x^3 - 5x^2 + 4x + 1$ and $g(x) = x^2 - 3x + 2$, what is $f(x) - g(x)$?

    <p>$2x^3 - 6x^2 + 7x - 1$</p> Signup and view all the answers

    Given $h(x) = 3x^4 - 2x^3 + 5x^2 - 7x + 1$ and $k(x) = 2x^3 - 4x^2 + 3x - 1$, what is $h(x) * k(x)$?

    <p>$6x^7 - 16x^6 + 19x^5 - 16x^4 + 11x^3 - 8x^2 + 4x - 1$</p> Signup and view all the answers

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