Finite Mathematics: Sets, Relations, and Functions
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Questions and Answers

If n(A) = 2 and n(B) = 3, how many possible relations can be defined from set A to set B?

  • 3
  • 5
  • 6 (correct)
  • 8
  • In the function f: A → B given by f = {(1, 4),(2, 8),(3, 9),(4, 10)}, which element in set A does not have a corresponding mapping in set B?

  • 3 (correct)
  • 4
  • 1
  • 2
  • If the ordered pairs (a + 2, 4) and (5, 2a + b) are equal, what are the values of a and b respectively?

  • (1, 2)
  • (3, 4)
  • (2, 1) (correct)
  • (4, 3)
  • If n(A) = 5 and there are 1024 relations from set A to set B, how many elements are there in set B?

    <p>7</p> Signup and view all the answers

    If {(a, 8), (6, b)} represents an identity function, what are the values of a and b respectively?

    <p>(1, 6)</p> Signup and view all the answers

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