TS EAMCET 06 May 2019 Shift 1 Solved Paper

Section: Mathematics

Question : 1 of 160

Marks: +1, -0

f : X → Y be a function and Ay = {f−1(y)∕y∊Y}.
Then Ai ∩ Aj = ϕ (i ≠ j) for all i , j ∊ Y and

y∊Y

Ay = X , if

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