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If f : X -> Y and a, b ⊆ X, then f (a ∩ b) is equal to

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If f : X -> Y and a, b ⊆ X, then f (a ∩ b) is equal to
  • Af(a) - f(b)
  • Bf(a) © f(b)
  • Cf(b) - f(a)
  • Da proper subset of f(a) © f(b)
Correct answer: D

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CCommunity
a proper subset of f(a) © f(b)

a proper subset of f(a) ∩ f(b)