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A function f: X → Y is surjective if and only if​
  • a)
    X = Y
  • b)
    f(X) = Y
  • c)
    X is a singleton set
  • d)
    Y is a singleton set
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
A function f: X → Y is surjective if and only if​a)X = Yb)f...
Hiii Saumya!!! Surjective function is one which is onto which means there is a value of y corresponding to every x in the domain..and which is option B f(X)=Y Regards
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Community Answer
A function f: X → Y is surjective if and only if​a)X = Yb)f...
A function f (from set X to Y) is surjective if and only if for every y in Y, there is at least one x in X such that f(x) = y, in other words f is surjective if and only if f(X) = Y.
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A function f: X → Y is surjective if and only if​a)X = Yb)f(X) = Yc)X is a singleton setd)Y is a singleton setCorrect answer is option 'B'. Can you explain this answer?
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