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Relations and F...

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  • Question 1
    1 / -0.25

    R = {(1, 1), (2, 2), (1, 2), (2, 1), (2, 3)} be a relation on A = {1, 2, 3}, then R is

  • Question 2
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    If R is a relation from a set A to a set B and S is a relation from B to C, then the relation  S  ∘ R.

  • Question 3
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    Let A be the set of all students of a boys school. The relation R in A given by R = {(a, b) : a is sister of b} is

  • Question 4
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    The domain of definition of the function  

  • Question 5
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  • Question 6
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    Let A = {1, 2, 3}. Which of the following is not an equivalence relation on A ?

  • Question 7
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    The binary operation * defined on the set of integers as  a ∗b = |a −b|-1 is:

  • Question 8
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    Let T be the set of all triangles in a plane with R a relation in T given by  R  = {(T1 , T2 ) : T1  is congruent to  T2 }. Then R is

  • Question 9
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    The range of the function   

  • Question 10
    1 / -0.25

    The function  f  (x) = x2 + sin  x is

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