in Set Theory & Algebra
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If f:X→Y and a, b⊆X, then f(a⋂b) is equal to
(a) f(a) – f(b)                                                                    (b) f(a) ⋂ f(b)
(c) a proper subset of f(a) ⋂ f(b)                                                (d) f(b) – f(a)
in Set Theory & Algebra
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What does f(a⋂b) means ???

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