Set Theory and Function Composition Quiz
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Questions and Answers

What is the result of the composition g ∘ h(x) if g(x) = 2x - 1 and h(x) = 3x + 5?

  • 6x + 9 (correct)
  • 6x + 10
  • 6x + 4
  • 3x + 7
  • What is the power set of A = {x, y}?

  • {Ø, {x, y}}
  • {x, y}
  • {Ø, {x}, {y}, {x, y}} (correct)
  • {{x}, {y}}
  • If A and B are sets such that A ∩ B = A ∪ B, which statement is correct?

  • A is a subset of B.
  • A is empty.
  • B is empty.
  • A and B contain the same elements. (correct)
  • If g(x) = (x² - x) / (x + 3), what is g(1) + g(2)?

    <p>1</p> Signup and view all the answers

    Which of these options describes A - (B ∪ C) correctly?

    <p>(A - B) ∪ (A - C)</p> Signup and view all the answers

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